chore(renovate): add pgbouncer software tracking

Author: masterkain

renovate.json

@@ -48,6 +48,13 @@
       "matchStrings": ["image:\\s*tolgee\\/tolgee:(?<currentValue>[^\\s]+)"],
       "depNameTemplate": "tolgee/tolgee-platform",
       "datasourceTemplate": "github-releases"
+    },
+    {
+      "customType": "regex",
+      "managerFilePatterns": ["/^charts\\/pgbouncer\\/Chart\\.yaml$/"],
+      "matchStrings": ["appVersion:\\s*\\\"?(?<currentValue>[^\\\"]+)\\\"?"],
+      "depNameTemplate": "ghcr.io/icoretech/pgbouncer-docker",
+      "datasourceTemplate": "docker"
     }
   ],
   "packageRules": [
@@ -86,6 +93,11 @@
       "matchPackageNames": ["tolgee/tolgee-platform"],
       "groupName": "tolgee chart software updates"
     },
+    {
+      "matchManagers": ["custom.regex", "helm-values"],
+      "matchPackageNames": ["ghcr.io/icoretech/pgbouncer-docker"],
+      "groupName": "pgbouncer chart software updates"
+    },
     {
       "matchPackageNames": ["inngest/inngest"],
       "enabled": false