Merge pull request #3237 from keshavprasadms/release-4.8.0

fix: incorrect recording rules query

kubernetes/helm_charts/core/apimanager/templates/recordingRules.yaml

@@ -16,7 +16,7 @@ spec:
       record: job:kong_request_count:rate:sum:1m
     - expr: sum(increase(kong_request_status_count{api=~".*",status_code=~"2..|3..", status_code!= "total"}[5m])) by (api, status_code) / ignoring(api, status_code) group_left sum(increase(kong_request_status_count{api=~".*", status_code!= "total"}[5m]))
       record: job:kong_request_success_percentage:increase:sum:1m
-    - expr: sum(increase(kong_request_count{api =~ "$api"}[5m])) by (api)
+    - expr: sum(increase(kong_request_count{api=~".*"}[5m])) by (api)
       record: job:kong_request_count:increase:sum:1m
     - expr: sum(increase(kong_request_status_count{api=~".*",status_code!~"2..|3..|5..|total"}[5m])) by (api, status_code) / ignoring(api, status_code) group_left  sum(increase(kong_request_status_count{api=~".*", status_code!= "total"}[5m]))
       record: job:kong_request_4xx_percentage:increase:sum:1m