test: validate forgejo v7 and v8 test images on ci (#436)

Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/436
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>
Co-committed-by: Michael Kriese <michael.kriese@visualon.de>

ci/v7-test-rootless.yml

@@ -0,0 +1,25 @@
+image:
+  registry: codeberg.org
+  repository: forgejo-experimental/forgejo
+  tag: 7.0-test@sha256:3569aa096885f7c413248d978a339266a545f0cbbfb2fdc83484e141ba8f4424
+
+redis-cluster:
+  enabled: false
+postgresql:
+  enabled: false
+postgresql-ha:
+  enabled: false
+
+persistence:
+  enabled: false
+
+gitea:
+  config:
+    database:
+      DB_TYPE: sqlite3
+    session:
+      PROVIDER: memory
+    cache:
+      ADAPTER: memory
+    queue:
+      TYPE: level

ci/v8-test-rootless.yml

@@ -0,0 +1,25 @@
+image:
+  registry: codeberg.org
+  repository: forgejo-experimental/forgejo
+  tag: 8.0-test@sha256:4243036e024d83e363652b10a1a90f4e6e11efc3174b2292cc87104bf715e9d3
+
+redis-cluster:
+  enabled: false
+postgresql:
+  enabled: false
+postgresql-ha:
+  enabled: false
+
+persistence:
+  enabled: false
+
+gitea:
+  config:
+    database:
+      DB_TYPE: sqlite3
+    session:
+      PROVIDER: memory
+    cache:
+      ADAPTER: memory
+    queue:
+      TYPE: level

renovate.json

@@ -52,6 +52,11 @@
       "matchUpdateTypes": ["minor", "patch"],
       "automerge": true
     },
+    {
+      "description": "Automerge digest updates",
+      "matchUpdateTypes": ["digest"],
+      "automerge": true
+    },
     {
       "description": "Separate minor and patch updates for kindest",
       "matchPackageNames": ["kindest/node"],
@@ -63,6 +68,18 @@
       "matchUpdateTypes": ["major", "minor"],
       "dependencyDashboardApproval": true,
       "automerge": false
+    },
+    {
+      "description": "Use test scope for forgejo ci tests",
+      "matchFileNames": ["ci/*.yml"],
+      "additionalBranchPrefix": "ci-forgejo-",
+      "semanticCommitType": "ci",
+      "semanticCommitScope": "forgejo"
+    },
+    {
+      "description": "Update only daily for forgejo ci tests",
+      "matchFileNames": ["ci/*.yml"],
+      "extends": ["schedule:daily"]
     }
   ],
   "customManagers": [