Bump google.golang.org/grpc from 1.59.0 to 1.60.1 (backport #13)

[mergify]

This is an automatic backport of pull request #13 done by Mergify.
Cherry-pick of f208ee3 has failed:

On branch mergify/bp/sdk-47/pr-13
Your branch is up to date with 'origin/sdk-47'.

You are currently cherry-picking commit f208ee3.
  (fix conflicts and run "git cherry-pick --continue")
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  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
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	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/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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