chore: shared renovate configuration (#450)

dep: https://github.com/immich-app/.github/pull/2

renovate.json

@@ -1,9 +1,6 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:recommended",
-    "docker:pinDigests"
-  ],
+  "extends": ["local>immich-app/.github:renovate-config"],
   "automerge": true,
   "flux": {
     "fileMatch": ["(^|/)kubernetes/.+\\.ya?ml(?:\\.j2)?$"]
@@ -16,19 +13,5 @@
   },
   "kustomize": {
     "fileMatch": ["(^|/)kustomization\\.ya?ml(?:\\.j2)?$"]
-  },
-  "customManagers": [
-    {
-      "customType": "regex",
-      "description": "Process custom dependencies",
-      "fileMatch": [
-        "\\.ya?ml$"
-      ],
-      "matchStrings": [
-        "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( versioning=(?<versioning>\\S+))?\n.*?\"(?<currentValue>.*)\"\n"
-      ],
-      "datasourceTemplate": "{{#if datasource}}{{{datasource}}}{{else}}github-releases{{/if}}",
-      "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
-    }
-  ]
+  }
 }