Bump com.google.protobuf:protobuf-java-util from 4.31.1 to 4.33.1

Bumps com.google.protobuf:protobuf-java-util from 4.31.1 to 4.33.1.

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-version: 4.33.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

spring-cloud-gateway-integration-tests/grpc/pom.xml

@@ -12,7 +12,7 @@
 
 	<properties>
 		<protoc.version>3.25.1</protoc.version>
-		<protobuf.version>4.31.1</protobuf.version>
+		<protobuf.version>4.33.1</protobuf.version>
 		<grpc.version>1.77.0</grpc.version>
 	</properties>
 

spring-cloud-gateway-server-webflux/pom.xml

@@ -22,7 +22,7 @@
 	<properties>
 		<main.basedir>${basedir}/..</main.basedir>
 		<grpc.version>1.77.0</grpc.version>
-		<protobuf.version>4.32.1</protobuf.version>
+		<protobuf.version>4.33.1</protobuf.version>
 		<context-propagation.version>1.0.0</context-propagation.version>
 	</properties>