chore: add & simplify concurrency setting to CI testing workflow (#780)

* Add concurrency setting to CI testing workflow

* test concurrency

* Add concurrency setting to docs build workflow

* Simplify concurrency cancel-in-progress condition in workflows

* test concurrency

Author: bhimrazy

.github/workflows/ci-checks.yml

@@ -8,7 +8,7 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
-  cancel-in-progress: ${{ ! (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release/')) }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 jobs:
   check-typing:

.github/workflows/ci-testing.yml

@@ -8,6 +8,10 @@ on: # Trigger the workflow on push or pull request, but only for the main branch
     branches: [main]
     types: [opened, reopened, ready_for_review, synchronize]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 defaults:
   run:
     shell: bash

.github/workflows/docs-build.yml

@@ -6,6 +6,10 @@ on:
     branches: [main]
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 jobs:
   build-docs:
     uses: Lightning-AI/utilities/.github/workflows/check-docs.yml@main