Update protobuf.version to match upstream

pom.xml

@@ -63,7 +63,7 @@
     <micrometer.version>1.10.10</micrometer.version>
     <netty.version>4.1.96.Final</netty.version>
     <opentest4j.version>1.3.0</opentest4j.version>
-    <protobuf.version>3.24.3</protobuf.version> <!-- should be kept in sync with the value from Google libraries-bom -->
+    <protobuf.version>3.25.2</protobuf.version> <!-- should be kept in sync with the value from Google libraries-bom -->
     <pushy.version>0.15.2</pushy.version>
     <reactive.grpc.version>1.2.4</reactive.grpc.version>
     <reactor-bom.version>2022.0.12</reactor-bom.version> <!-- 3.5.x, see https://github.com/reactor/reactor#bom-versioning-scheme -->