rebase: bump google.golang.org/grpc from 1.72.2 to 1.73.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.72.2 to 1.73.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.72.2...v1.73.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.73.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/google.golang.org/grpc/internal/credentials/credentials.go

@@ -20,20 +20,6 @@ import (
 	"context"
 )
 
-// requestInfoKey is a struct to be used as the key to store RequestInfo in a
-// context.
-type requestInfoKey struct{}
-
-// NewRequestInfoContext creates a context with ri.
-func NewRequestInfoContext(ctx context.Context, ri any) context.Context {
-	return context.WithValue(ctx, requestInfoKey{}, ri)
-}
-
-// RequestInfoFromContext extracts the RequestInfo from ctx.
-func RequestInfoFromContext(ctx context.Context) any {
-	return ctx.Value(requestInfoKey{})
-}
-
 // clientHandshakeInfoKey is a struct used as the key to store
 // ClientHandshakeInfo in a context.
 type clientHandshakeInfoKey struct{}