chore: update renovate regrex

renovate.json

@@ -5,20 +5,17 @@
     ":semanticCommitTypeAll(chore)"
   ],
   "ignoreDeps": ["postgres"],
-  "automerge": false,
-  "packageRules": [
+  "automerge": true,
+  "automergeType": "branch",
+  "schedule": ["every hour"],
+  "regexManagers": [
     {
-      "description": "Update Docker images defined in YAML files",
-      "matchFilePatterns": [".*\\.yml$"],
-      "customManagers": [
-        {
-          "manager": "regex",
-          "datasource": "docker",
-          "extractVersion": "(?:alpine_latest_image|ubuntu_latest_image|debian_latest_image|image):\\s*\"(?<currentValue>[^\"]+)\"",
-          "depNameTemplate": "{{#if (match \"alpine_latest_image\")}}alpine{{else if (match \"ubuntu_latest_image\")}}ubuntu{{else if (match \"debian_latest_image\")}}debian{{else}}docker-image{{/if}}",
-          "versioning": "docker"
-        }
-      ]
+      "fileMatch": [".*\\.yml$"],
+      "matchStrings": [
+        "(alpine_latest_image|ubuntu_latest_image|debian_latest_image|image):\\s*\"(?<currentValue>[^\"]+)\""
+      ],
+      "datasourceTemplate": "docker",
+      "versioningTemplate": "docker"
     }
   ]
 }