[backport] build(deps): Bump google.golang.org/grpc from 1.73.0 to 1.74.0 (#999)

[mergify]

Bumps google.golang.org/grpc from 1.73.0 to 1.74.0.

Commits

• 406c2bf transport: release mutex before returning on expired deadlines in server stre...
• 20ef77a xds: give up pool lock before closing xdsclient channel (#8445)
• 2f9bb38 xdsclient: relay marshalled bytes of complete resource proto to decoders (#8422)
• fa3ec85 xds: Avoid error logs when setting fallback bootstrap config (#8419)
• d307d75 xdsclient: preserve original bytes for decoding when the resource is wrapped ...
• b34f845 server: allow 0s grpc-timeout header values, as java is known to be able to s...
• 1787f94 xdsclient: export genericResourceTypeDecoder (#8406)
• 15299cc xdsclient: make a function to return the supported resource type implementati...
• 20bd1e7 grpc: revert #8278: Fix cardinality violations in non-server streaming RPCs (...
• bdbe6a2 examples/opentelemetry: demonstrate enabling experimental metrics (#8388)
• Additional commits viewable in compare view

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This is an automatic backport of pull request #999 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of e80c9f3 has failed:

On branch mergify/bp/release/v1.5/pr-999
Your branch is up to date with 'origin/release/v1.5'.

You are currently cherry-picking commit e80c9f3.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   go.mod
	both modified:   go.sum

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[mergify]

❗❗❗
All commits in this PR must be signed off.
Please sign all commits by:

git rebase HEAD~1 --signoff
git push --force-with-lease origin mergify/bp/release/v1.5/pr-999

[mergify]

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