chore: Test with Protobuf-Java v4.32 [no need to review]

Author: lqiu96

.kokoro/build.sh

@@ -92,6 +92,7 @@ javadoc)
 integration)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -107,6 +108,7 @@ integration)
 integration-directpath-enabled)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -122,6 +124,7 @@ integration-directpath-enabled)
 integration-multiplexed-sessions-enabled)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -137,6 +140,7 @@ integration-multiplexed-sessions-enabled)
 integration-cloud-devel)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -153,6 +157,7 @@ integration-cloud-devel)
 integration-cloud-devel-directpath-enabled)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -169,6 +174,7 @@ integration-cloud-devel-directpath-enabled)
 integration-cloud-staging|integration-cloud-staging-directpath-enabled)
     mvn -B ${INTEGRATION_TEST_ARGS} \
       -ntp \
+      -Dprotobuf.version=4.32.0 \
       -Penable-integration-tests \
       -Djava.net.preferIPv4Stack=true \
       -DtrimStackTrace=false \
@@ -184,12 +190,14 @@ integration-cloud-staging|integration-cloud-staging-directpath-enabled)
     ;;
 graalvm)
     # Run Unit and Integration Tests with Native Image
-    mvn test -Pnative -Penable-integration-tests -Dspanner.gce.config.project_id=gcloud-devel -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests
+    mvn test -Pnative -Penable-integration-tests -Dspanner.gce.config.project_id=gcloud-devel -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests \
+      -Dprotobuf.version=4.32.0
     RETURN_CODE=$?
     ;;
 graalvm17)
     # Run Unit and Integration Tests with Native Image
-    mvn test -Pnative -Penable-integration-tests -Dspanner.gce.config.project_id=gcloud-devel -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests
+    mvn test -Pnative -Penable-integration-tests -Dspanner.gce.config.project_id=gcloud-devel -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests \
+      -Dprotobuf.version=4.32.0
     RETURN_CODE=$?
     ;;
 slowtests)