build(deps): bump grpc from 1.50.2 to 1.52.0

Author: yeikel

vertx-grpc/pom.xml

@@ -31,7 +31,7 @@
 
   <properties>
     <grpc.version>1.50.2</grpc.version>
-    <protoc.version>3.21.12</protoc.version>
+    <protoc.version>3.21.8</protoc.version>
     <doc.skip>false</doc.skip>
     <jar.manifest>${project.basedir}/src/main/resources/META-INF/MANIFEST.MF</jar.manifest>
   </properties>