fix(deps): update module google.golang.org/grpc to v1.50.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
google.golang.org/grpc	require	patch	v1.50.0 -> v1.50.1

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Release Notes

grpc/grpc-go

### [`v1.50.1`](https://togithub.com/grpc/grpc-go/releases/tag/v1.50.1) [Compare Source](https://togithub.com/grpc/grpc-go/compare/v1.50.0...v1.50.1) New Features - gcp/observability: support new configuration defined in public preview user guide

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, click this checkbox.

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This PR has been generated by Mend Renovate. View repository job log here.

[renovate[bot]]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: gwy/templates/go.mod.tmpl

Command failed: docker run --rm --name=renovate_go --label=renovate_child -v "/mnt/renovate/gh/namely/docker-protoc":"/mnt/renovate/gh/namely/docker-protoc" -v "/tmp/renovate-cache":"/tmp/renovate-cache" -v "/tmp/containerbase":"/tmp/containerbase" -e GOPATH -e GOPROXY -e GOFLAGS -e CGO_ENABLED -e GIT_CONFIG_KEY_0 -e GIT_CONFIG_VALUE_0 -e GIT_CONFIG_KEY_1 -e GIT_CONFIG_VALUE_1 -e GIT_CONFIG_KEY_2 -e GIT_CONFIG_VALUE_2 -e GIT_CONFIG_COUNT -e BUILDPACK_CACHE_DIR -e CONTAINERBASE_CACHE_DIR -w "/mnt/renovate/gh/namely/docker-protoc/gwy/templates" docker.io/renovate/go:1.17.13 bash -l -c "go get -d -t ./..."
go: cannot find main module, but found .git/config in /mnt/renovate/gh/namely/docker-protoc
    to create a module there, run:
    cd ../.. && go mod init