build(deps): bump the examples-load-reporting group

Bumps the examples-load-reporting group in /examples/load-reporting-service with 2 updates: [github.com/golang/protobuf](https://github.com/golang/protobuf) and [google.golang.org/grpc](https://github.com/grpc/grpc-go).


Updates `github.com/golang/protobuf` from 1.5.3 to 1.5.4
- [Release notes](https://github.com/golang/protobuf/releases)
- [Commits](golang/protobuf@v1.5.3...v1.5.4)

Updates `google.golang.org/grpc` from 1.61.0 to 1.64.0
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.61.0...v1.64.0)

---
updated-dependencies:
- dependency-name: github.com/golang/protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: examples-load-reporting
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: examples-load-reporting
...

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

examples/load-reporting-service/go.mod

@@ -4,6 +4,6 @@ go 1.13
 
 require (
 	github.com/envoyproxy/go-control-plane v0.12.0
-	github.com/golang/protobuf v1.5.3
-	google.golang.org/grpc v1.61.0
+	github.com/golang/protobuf v1.5.4
+	google.golang.org/grpc v1.64.0
 )