Update to 14.0-beta1

.github/workflows/unused-strings.yml

@@ -3,6 +3,10 @@ name: Unused strings
 on:
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
+
 jobs:
   unused-strings:
     name: Unused strings
@@ -10,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Check for unused strings
       run: |