Bump gocloud.dev from 0.18.0 to 0.19.0

[dependabot-preview]

Bumps gocloud.dev from 0.18.0 to 0.19.0.

Release notes

Sourced from gocloud.dev's releases.

v0.19.0

No breaking changes.

• all: Updated various dependencies.
• blob: Enabled setting Content-Type for PUT requests.
• blob: Added ReadFrom to blob.Writer and WriteTo to blob.Reader.
• blob/gcsblob: BeforeRead now correctly returns false if the read is going to fail.
• blob/gcsblob: Updated to use STORAGE_EMULATOR_HOST if present.
• blob/gcsblob: Fixed object attributes via As when listing bucket contents.
• blob/azureblob: Added support for specifying Azure Cloud Environment.
• blob/fileblob: Now correctly returns NotFound when key addresses a directory.
• docstore: Fixed batch Creates.
• server: Now using ochttp to create spans.
• server: ResponseStats now implements http.Hijacker.

Commits

• 905a3db all: prep for release v0.19.0 (#2740)
• 629b0b4 all: Update dependencies (#2739)
• c5701e0 server/requestlog: responseStats should implement http.Hijacker (#2737)
• d780487 blob: ReadTo/Write from should return the original err (#2735)
• 88e0487 blob/gcsblob: fix obj attributes via As when listing bucket contents (#2733)
• 6b3f548 docstore: fix batch Creates (#2726)
• 29950f8 all: update cloudproxy dependency (#2729)
• 07bd474 blob/gcsblob: make sure to return false from BeforeRead if the read is going ...
• f36e605 server: use ochttp to create spans (#2723)
• db9558f blob: Add ReadFrom to blob.Writer and WriteTo to blob.Reader (#2721)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #232.