💚 Run backend linters on commits only

Try to force the linters to run even if the previous one fails.

backend/.woodpecker/.lint.yaml

@@ -1,15 +1,19 @@
+when:
+  - event: push
+  - branch:
+      exclude: [master, release/*]
+
 steps:
   - name: ruff
     image: python:3.12-alpine
     commands:
       - pip install ruff
       - ruff --output-format github .
-    when:
-      - branch:
-          exclude: [master, develop, release/*]
 
   - name: mypy
     image: python:3.12-alpine
     commands: |
        pip install mypy
        mypy .
+
+runs_on: [ success, failure ]