Update peter-murray/workflow-application-token-action action to v4

Author: teamleader-iac[bot]

.github/workflows/create-tag.yaml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Get Token
         id: get_workflow_token
-        uses: peter-murray/workflow-application-token-action@v2
+        uses: peter-murray/workflow-application-token-action@v4
         with:
           application_id: ${{ secrets.GH_APPLICATION_ID }}
           application_private_key: ${{ secrets.GH_APPLICATION_PRIVATE_KEY }}