Merge pull request hpcc-systems#20706 from Michael-Gardner/HPCC-35439

HPCC-35439 Add concurrency guard to pr-title-check workflows

Reviewed-by: Gavin Halliday <gavin.halliday@lexisnexisrisk.com>
Merged-by: Gavin Halliday <gavin.halliday@lexisnexisrisk.com>

Author: ghalliday

.github/workflows/pr-title-check.yml

@@ -11,6 +11,10 @@ on:
       - "master"
       - "candidate-*"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
   pull-requests: read