Update ci_build_test.yaml

Author: foram-splunk

.github/workflows/ci_build_test.yaml

@@ -81,6 +81,7 @@ jobs:
           files: "target/surefire-reports/*.xml"
 
   e2e_test:
+    environment: workflow-approval
     name: e2e test - kafka version-${{ matrix.kafka_version }}
     runs-on: ubuntu-20.04
     needs: