chore(deps): bump langgraph-checkpoint from 4.0.2 to 4.1.1 in /examples/flask-langchain

[dependabot]

Bumps langgraph-checkpoint from 4.0.2 to 4.1.1.

Release notes

Sourced from langgraph-checkpoint's releases.

langgraph-checkpoint==4.1.1

Changes since checkpoint==4.1.0

• release(checkpoint): 4.1.1 (#7890)
• fix(checkpoint): restrict lc:2 envelope revival to default constructor (#7892)
• chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint (#7860)
• chore(deps): bump langsmith from 0.7.31 to 0.8.0 in /libs/checkpoint (#7784)

langgraph-checkpoint==4.1.0

Changes since checkpoint==4.1.0a4

• release: bump alpha packages to official versions (#7775)
• chore(deps): bump urllib3 from 2.6.3 to 2.7.0 in /libs/checkpoint (#7762)
• chore(deps): bump langchain-core from 1.3.2 to 1.3.3 in /libs/checkpoint (#7752)
• feat(checkpoint): force delta channel snapshot after max supersteps since last snapshot (#7746)
• fix(checkpoint): specify allowed_objects in Reviver (#7743)
• chore: remove keepset helper (#7745)
• chore(langgraph): add guide/conformance for delta channel checkpointer (#7736)
• docs(checkpoint): mark DeltaChannel and delta-history APIs as beta (#7732)
• chore(deps): bump the minor-and-patch group across 1 directory with 3 updates (#7670)
• chore: "chore: minor clean up around checkpoint and delta channel" (#7706)
• chore: minor clean up around checkpoint and delta channel (#7705)

langgraph-checkpoint==4.1.0a4

Changes since checkpoint==4.1.0a3

• release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
• feat: public get_writes_history saver API + delta cadence rework (#7699)

langgraph-checkpoint==4.1.0a3

Changes since checkpoint==4.1.0a2

• release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
• chore(langgraph): use two phase read to avoid unnecessary data transport (#7660)
• release: alpha for timers (#7647)
• feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
• chore: dynamic push-task timeouts (#7646)
• chore: update x links to langchain_oss (#7645)
• release(checkpoint): 4.0.3 (#7625)
• fix(checkpoint): revive lc=2 JSON blobs for safe types without allowlist (#7582)

langgraph-checkpoint==4.1.0a2

Changes since checkpoint==4.1.0a1

langgraph-checkpoint==4.1.0a1

Changes since checkpoint==4.0.3

• release: alpha for timers (#7647)
• feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
• chore: dynamic push-task timeouts (#7646)

... (truncated)

Commits

• d1e2ff0 release(checkpoint): 4.1.1 (#7890)
• e787af2 release(sdk-py): 0.3.15 (#7891)
• 604534e fix(sdk-py): percent-encode caller-supplied identifiers in URL paths (#7893)
• 346aa97 fix(checkpoint): restrict lc:2 envelope revival to default constructor (#7892)
• 82b3872 chore(deps): bump the uv group across 2 directories with 1 update (#7853)
• fcc4ab8 chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint (#7860)
• 701d344 chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint-postgres (#7861)
• 2c7967c chore(deps): bump idna from 3.11 to 3.15 in /libs/cli (#7865)
• bf7fec0 release(langgraph): 1.2.1 (#7883)
• 8215a9d feat(langgraph): add before_builtins opt-in for stream transformers (#7882)
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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	arcjet@​0.9.0

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[socket-security]

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Action	Severity	Alert  (click "▶" to expand/collapse)
Block		Potential security risk (AI signal): pypi langgraph-checkpoint Notes: undefined Confidence: undefined Severity: undefined From: examples/flask-langchain/uv.lock → pypi/langchain@1.2.15 → pypi/langgraph-checkpoint@4.1.1 ℹ Read more on: This package | This alert | What are AI-detected potential security risks? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: An AI system identified potential security problems in this package. It is advised to review the package thoroughly and assess the potential risks before installation. You may also consider reporting the issue to the package maintainer or seeking alternative solutions with a stronger security posture. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore pypi/langgraph-checkpoint@4.1.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		System shell access: pypi langgraph-checkpoint Location: Package overview From: examples/flask-langchain/uv.lock → pypi/langchain@1.2.15 → pypi/langgraph-checkpoint@4.1.1 ℹ Read more on: This package | This alert | What is shell access? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should avoid accessing the shell which can reduce portability, and make it easier for malicious shell access to be introduced. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore pypi/langgraph-checkpoint@4.1.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Filesystem access: pypi arcjet Location: Package overview From: examples/flask-langchain/pyproject.toml → pypi/arcjet@0.9.0 ℹ Read more on: This package | This alert | What is filesystem access? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: If a package must read the file system, clarify what it will read and ensure it reads only what it claims to. If appropriate, packages can leave file system access to consumers and operate on data passed to it instead. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore pypi/arcjet@0.9.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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