build: clean up GoReleaser scaffold

[apstndb]

Summary

• remove release-time go mod tidy and go generate hooks from GoReleaser
• migrate archive configuration to GoReleaser's formats lists
• add Darwin and Linux ARM64 targets to the CI cross-compile matrix

This is the independent GoReleaser scaffold cleanup planned before the slim build variant in #778. It intentionally does not include any slim-variant wiring.

Validation

• make check
• make check-race
• go vet ./...
• GOOS=darwin GOARCH=arm64 go build ./...
• GOOS=linux GOARCH=arm64 go build ./...
• YAML parsing for both changed configuration files
• goreleaser check
• make docs-update followed by byte-identity checks for README.md and docs/system_variables.md
• git diff --check

[gemini-code-assist]

Code Review

This pull request updates the .goreleaser.yaml configuration by removing the before hooks (go mod tidy and go generate ./...) and updating the archive formats to use the plural formats list syntax instead of the singular format field for both the default archive and the Windows override. There are no review comments, so I have no feedback to provide.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

[github-actions]

Code Metrics Report

📊 View detailed coverage report (available for 7 days)

	main (7e15712)	#789 (bcb6619)	+/-
Coverage	73.1%	73.1%	0.0%
Code to Test Ratio	1:1.3	1:1.3	0.0
Test Execution Time	1m17s	1m46s	+29s

Details

  |                     | main (7e15712) | #789 (bcb6619) | +/-  |
  |---------------------|----------------|----------------|------|
  | Coverage            |          73.1% |          73.1% | 0.0% |
  |   Files             |             93 |             93 |    0 |
  |   Lines             |           7917 |           7917 |    0 |
  |   Covered           |           5794 |           5794 |    0 |
  | Code to Test Ratio  |          1:1.3 |          1:1.3 |  0.0 |
  |   Code              |          18472 |          18472 |    0 |
  |   Test              |          25146 |          25146 |    0 |
- | Test Execution Time |          1m17s |          1m46s | +29s |

---

Reported by octocov