chore(monitor-snapshot/master): update files from upstreams (#543)

Author: ti-chi-bot

monitor-snapshot/master/ansible-monitor.tar.gz

@@ -3075,7 +3075,7 @@
           "steppedLine": true,
           "targets": [
             {
-              "expr": "sum(rate(ticdc_owner_ownership_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\"}[240s])) by (instance) > BOOL 0.0625",
+              "expr": "sum(rate(ticdc_owner_ownership_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\"}[240s])) by (instance) > BOOL 0.5",
               "format": "time_series",
               "interval": "30s",
               "intervalFactor": 1,