chore: Adjust renovate config

.github/workflows/build.yml

@@ -40,7 +40,11 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        kcVersion: ["22.0.4", "nightly"]
+        kcVersion: 
+          - "21.1.2"
+          # renovate: datasource=github-tags depName=keycloak/keycloak
+          - "22.0.4"
+          - "nightly"
     steps:
       - uses: actions/checkout@v4
       - name: "Use Node.js"

renovate.json

@@ -1,15 +1,23 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:base",":dependencyDashboard"
-  ],
-  "automerge": true,
+  "extends": ["config:base", ":dependencyDashboard", ":rebaseStalePrs"],
   "platformAutomerge": true,
   "packageRules": [
     {
-      "description": "Automerge non-major updates",
-      "matchUpdateTypes": ["minor", "patch"],
-      "automerge": true
+      "description": "Automatically merge minor and patch-level updates",
+      "matchUpdateTypes": ["minor", "patch", "digest"],
+      "automerge": true,
+      "automergeType": "branch"
+    }
+  ],
+  "regexManagers": [
+    {
+      "description": "Update version entries in YAML files",
+      "fileMatch": [".*y[a]?ml$"],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>[a-z-]+?)(?: lookupName=(?<lookupName>.+?))?(?: versioning=(?<versioning>[a-z-]+?))?\\sRUN install-[a-z]+? (?<depName>[a-z-]+?) (?<currentValue>.+?)\\s"
+      ],
+      "versioningTemplate": "{{#if versioning}}{{versioning}}{{else}}semver{{/if}}"
     }
   ],
   "prHourlyLimit": 10