feat: Woodpecker-Plugin bump (Entwurf)

Setzt Version und Tag für den gepushten Branch wie bump-version, dazu
hotfix/* -> beta, Bump nur des auslösenden Commits, [skip ci] im
Bump-Commit. Nutzer und Autor oumta-ci, Secret oumta_ci_token
(oumta-deploy docs/zugaenge.md). plugins.yaml baut beide Plugins.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.woodpecker/plugins.yaml

@@ -2,9 +2,9 @@
 # git.uesome.de/actions/ci-cd/<name>:vX.Y.Z; pushes and PRs only test the build.
 when:
   - event: [push, pull_request]
-    path: 'woodpecker/deploy/**'
+    path: 'woodpecker/**'
   - event: tag
-    ref: refs/tags/deploy-v*
+    ref: [refs/tags/deploy-v*, refs/tags/bump-v*]
 
 steps:
   - name: deploy-plugin-check
@@ -16,6 +16,7 @@ steps:
       dry_run: true
     when:
       event: [push, pull_request]
+      path: 'woodpecker/deploy/**'
 
   - name: deploy-plugin
     image: woodpeckerci/plugin-docker-buildx:6.1.2
@@ -31,3 +32,31 @@ steps:
         from_secret: registry_password
     when:
       event: tag
+      ref: refs/tags/deploy-v*
+
+  - name: bump-plugin-check
+    image: woodpeckerci/plugin-docker-buildx:6
+    settings:
+      repo: git.uesome.de/actions/ci-cd/bump
+      context: woodpecker/bump
+      dockerfile: woodpecker/bump/Dockerfile
+      dry_run: true
+    when:
+      event: [push, pull_request]
+      path: 'woodpecker/bump/**'
+
+  - name: bump-plugin
+    image: woodpeckerci/plugin-docker-buildx:6
+    settings:
+      registry: git.uesome.de
+      repo: git.uesome.de/actions/ci-cd/bump
+      context: woodpecker/bump
+      dockerfile: woodpecker/bump/Dockerfile
+      tags: ${CI_COMMIT_TAG##bump-}
+      username:
+        from_secret: registry_username
+      password:
+        from_secret: registry_password
+    when:
+      event: tag
+      ref: refs/tags/bump-v*