ci: Allow lint workflow to be manually triggered (#3714)

* ci: Allow lint workflow to be manually triggered

Without this a different event must occur to trigger the workflow, which is inconvenient for automated PRs.

.github/workflows/linting.yml

@@ -1,10 +1,10 @@
 name: Lint
 
 on:
+  # A workflow that creates a PR will not trigger this workflow,
+  # Providing a manual trigger as a workaround
+  workflow_dispatch:
   pull_request:
-    paths-ignore:
-      # Managed by workflow: contributors.yml
-      - CONTRIBUTORS.md
   push:
     branches: [ master ]
 

CHANGELOG.md

@@ -30,6 +30,8 @@ All notable changes to this project will be documented in this file. The format
   - Update-check: fix 'read' exit status ([#3688](https://github.com/docker-mailserver/docker-mailserver/pull/3688))
 - **Rspamd:**
   - Switch to official arm64 packages to avoid segfaults ([#3686](https://github.com/docker-mailserver/docker-mailserver/pull/3686))
+- **CI / Automation:**
+  - The lint workflow can now be manually triggered by maintainers ([#3714]https://github.com/docker-mailserver/docker-mailserver/pull/3714)
 
 ## [v13.0.1](https://github.com/docker-mailserver/docker-mailserver/releases/tag/v13.0.1)