ci: migrate to action/ org composite actions

.gitea/workflows/main.yaml

@@ -1,18 +1,21 @@
-name: Build dns-webhook Image
+name: dns/webhook
 on:
   push:
     branches: [main]
 jobs:
-  build:
+  release:
     runs-on: fritzlab
     steps:
       - uses: actions/checkout@v4
 
-      - uses: https://code.fritzlab.net/fritzlab/build-image@v1
+      - uses: https://code.fritzlab.net/action/image-build@v1
+        with:
+          image: code.fritzlab.net/dns/webhook
+
+      - uses: https://code.fritzlab.net/action/image-push@v1
         with:
           image: code.fritzlab.net/dns/webhook
           token: ${{ secrets.CI_BOT_TOKEN }}
           org: dns
           name: webhook
           latest: 'false'
-

.gitea/workflows/pr.yaml

@@ -0,0 +1,12 @@
+name: dns/webhook PR validation
+on:
+  pull_request:
+    branches: [main]
+jobs:
+  validate:
+    runs-on: fritzlab
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://code.fritzlab.net/action/image-build@v1
+        with:
+          image: code.fritzlab.net/dns/webhook