add concurrency setting to workflows

it helps minimize github action views and stop outdated jobs

.github/workflows/install-test-darwin.yml

@@ -7,7 +7,9 @@ on:
   pull_request:
     paths:
       - "release_files/install.sh"
-
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
 jobs:
   install-cli-only:
     runs-on: macos-latest