ci: 👷 run publish Docker image pipeline on tag

- Allow failure of bump pipeline as changelog won't be generated if no version bump is possible

.drone.yml

@@ -1,6 +1,6 @@
 kind: pipeline
 type: kubernetes
-name: tag, create release and publish Docker image
+name: tag and create release
 
 steps:
   - name: bump tag
@@ -20,16 +20,7 @@ steps:
         from_secret: git_username
       GIT_PASSWORD:
         from_secret: git_password
-  - name: publish Docker image
-    image: plugins/docker
-    settings:
-      registry: gitea.dikurium.ch
-      repo: gitea.dikurium.ch/innopeak/drone-gitea-release
-      auto_tag: true
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
+    failure: ignore
   - image: gitea.dikurium.ch/innopeak/drone-gitea-release
     name: create release
     settings:
@@ -41,9 +32,33 @@ steps:
       notes_file: CZ_CURRENT_CHANGELOG.md
       owner: innopeak
       repo: drone-gitea-release
+    depends_on:
+      - bump tag
 
 trigger:
   branch:
     - main
   event:
     - push
+---
+kind: pipeline
+type: kubernetes
+name: publish Docker image
+
+steps:
+  - name: publish Docker image
+    image: plugins/docker
+    settings:
+      registry: gitea.dikurium.ch
+      repo: gitea.dikurium.ch/innopeak/drone-gitea-release
+      auto_tag: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+
+trigger:
+  branch:
+    - main
+  event:
+    - tag