chore: cancel running PR workflows but latest one (#9)

Author: matthiashermsen

.github/workflows/lint-pull-request-title.yml

@@ -7,6 +7,10 @@ on:
       - edited
       - synchronize
 
+concurrency:
+  group: lint_pull_request_title-pr-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   lint_pull_request_title:
     name: Lint pull request title
@@ -20,4 +24,4 @@ jobs:
           types: |
             chore
             feat
-            fix
+            fix

.github/workflows/qa.yml

@@ -2,6 +2,10 @@ name: QA
 
 on: pull_request
 
+concurrency:
+  group: qa-pr-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   qa:
     name: QA