fix typo in pooler env variable (#1294)

Author: FxKu

ui/operator_ui/spiloutils.py

@@ -21,7 +21,7 @@
 OPERATOR_CLUSTER_NAME_LABEL = getenv('OPERATOR_CLUSTER_NAME_LABEL', 'cluster-name')
 
 COMMON_CLUSTER_LABEL = getenv('COMMON_CLUSTER_LABEL', '{"application":"spilo"}')
-COMMON_POOLER_LABEL = getenv('COMMONG_POOLER_LABEL', '{"application":"db-connection-pooler"}')
+COMMON_POOLER_LABEL = getenv('COMMON_POOLER_LABEL', '{"application":"db-connection-pooler"}')
 
 logger.info("Common Cluster Label: {}".format(COMMON_CLUSTER_LABEL))
 logger.info("Common Pooler Label: {}".format(COMMON_POOLER_LABEL))