Use deployment patch for session dev scaling

Jenkinsfile

@@ -150,7 +150,7 @@ spec:
           sh """
             set -eux
             if [ "${IS_SESSION_JOB}" = "true" ]; then
-              kubectl -n ${APP_NS} scale deploy/${DEPLOY} --replicas=0
+              kubectl -n ${APP_NS} patch deploy ${DEPLOY} --type=merge -p '{"spec":{"replicas":0}}'
               for i in \$(seq 1 150); do
                 POD_COUNT=\$(kubectl -n ${APP_NS} get pod -l app=${DEPLOY} --no-headers 2>/dev/null | wc -l | tr -d ' ')
                 [ "\${POD_COUNT}" = "0" ] && break
@@ -165,7 +165,7 @@ spec:
             kubectl -n ${APP_NS} set image deploy/${DEPLOY} ${DEPLOY}=${REG}/${IMAGE}:${IMAGE_TAG}
 
             if [ "${IS_SESSION_JOB}" = "true" ]; then
-              kubectl -n ${APP_NS} scale deploy/${DEPLOY} --replicas=1
+              kubectl -n ${APP_NS} patch deploy ${DEPLOY} --type=merge -p '{"spec":{"replicas":1}}'
             fi
 
             kubectl -n ${APP_NS} rollout status deploy/${DEPLOY} --timeout=300s