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](grpc/grpc-go@v1.62.1...v1.63.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Update from v1.21.5 to latest v1.21.9, to include the following fixes:

go1.21.6 (released 2024-01-09) includes fixes to the compiler, the
runtime, and the crypto/tls, maps, and runtime/pprof packages.

go1.21.7 (released 2024-02-06) includes fixes to the compiler, the go
command, the runtime, and the crypto/x509 package.

go1.21.8 (released 2024-03-05) includes security fixes to the
crypto/x509, html/template, net/http, net/http/cookiejar, and net/mail
packages, as well as bug fixes to the go command and the runtime.

go1.21.9 (released 2024-04-03) includes a security fix to the net/http
package, as well as bug fixes to the linker, and the go/types and
net/http packages.

See-also: https://go.dev/doc/devel/release#go1.21.0
Signed-off-by: Niels de Vos <[email protected]>

When there is a conflict in merging a PR, the `ok-to-test` label should
not be added automatically. This prevents a loop in triggering CI jobs
for PRs that might not even build.

Signed-off-by: Niels de Vos <[email protected]>