build(deps): bump protobuf from 4.25.3 to 5.28.0

[dependabot[bot]]

Bumps protobuf from 4.25.3 to 5.28.0.

Commits

• 439c42c Updating version.json and repo version numbers to: 28.0
• c9454f4 Remove --copt="-Werror" from .bazelrc (#18005)
• f5a1b17 Move -Werror to our test/dev bazelrc files. (#17938)
• 0c9e14a Merge pull request #17917 from thomasvl/patch_objc_to_28
• 6a6ebe4 Merge pull request #17919 from protocolbuffers/28.x-202408221734
• 09ba2bb Updating version.json and repo version numbers to: 28.0-dev
• e340f52 Updating version.json and repo version numbers to: 28.0-rc3
• b276420 [ObjC] Issue stderr warnings for deprecated generation options.
• 13f850d Merge pull request #17913 from protocolbuffers/cp-compat-upgrade
• 6bf01c5 Binary compatibility shims for GeneratedMessageV3, SingleFieldBuilderV3, Repe...
• Additional commits viewable in compare view

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[github-actions[bot]]

Looks like a major version upgrade! Skipping auto-merge.

[github-actions[bot]]

Looks like a major version upgrade! Skipping auto-merge.

[github-actions[bot]]

Looks like a major version upgrade! Skipping auto-merge.

[dependabot[bot]]

Superseded by #790.