build(deps): bump google.golang.org/grpc in /examples

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.62.1 to 1.63.2.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.62.1...v1.63.2

)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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