Bump grpc-protobuf from 1.50.2 to 1.53.0 in /API

Bumps [grpc-protobuf](https://github.com/grpc/grpc-java) from 1.50.2 to 1.53.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.50.2...v1.53.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-protobuf
  dependency-type: direct:production
...

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

API/pom.xml

@@ -15,7 +15,7 @@
 	<description>URLFrontier Java API</description>
 
 	<properties>
-		<grpc.version>1.50.2</grpc.version>
+		<grpc.version>1.53.0</grpc.version>
 		<protoc.version>3.20.3</protoc.version>
 	</properties>