ci: skip heavy checks in Release Please SNAPSHOT pull requests

b/370011322

Author: suztomo

.kokoro/build.sh

@@ -27,6 +27,11 @@ source ${scriptDir}/common.sh
 mkdir -p ${HOME}/.m2
 cp settings.xml ${HOME}/.m2
 
+echo "Environment variables:"
+printenv
+
+echo "-------------------"
+
 setup_application_credentials
 
 if [ -f "${KOKORO_GFILE_DIR}/secret_manager/java-bigqueryconnection-samples-secrets" ]; then