PMM-15228 Improve NGINX and Auth server performance

.golangci.yml

@@ -68,6 +68,7 @@ linters:
         - error
         - empty
         - stdlib
+        - generic   # allow generic types to be returned
         - github.com/percona/pmm/admin/commands.Result
         - github.com/percona/pmm/agent/runner/actions.Action
         - github.com/percona/pmm/managed/services/telemetry.DataSource

.mockery.yaml

@@ -23,6 +23,10 @@ packages:
   github.com/percona/pmm/managed/services/checks:
     interfaces:
       agentsRegistry:
+  github.com/percona/pmm/managed/services/grafana:
+    interfaces:
+      grafanaAuthUserGetter:
+      accessControl:
   github.com/percona/pmm/managed/services/inventory:
     interfaces:
       agentService: