Bump protobuf version to 3.25.4 (confluentinc#629) (confluentinc#631)

Co-authored-by: Jan Werner <[email protected]>

Author: rayokota

pom.xml

@@ -89,7 +89,7 @@
         <jaxb.version>2.3.0</jaxb.version>
         <netty.version>4.1.108.Final</netty.version>
         <hamcrest.version>1.3</hamcrest.version>
-        <protobuf.version>3.25.1</protobuf.version>
+        <protobuf.version>3.25.4</protobuf.version>
         <powermock.version>2.0.9</powermock.version>
         <!-- Potentially used by downstream projects -->
         <slf4j-api.version>${slf4j.version}</slf4j-api.version>