Cancel previous commit builds on PRs but not on main (#4314)

.github/workflows/deploy-docs.yml

@@ -14,6 +14,11 @@ on:
     branches:
       - main
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   # Build the documentation website
   build:

.github/workflows/dummy-agent-test.yml

@@ -9,6 +9,11 @@ on:
     - main
   pull_request:
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ubuntu-latest

.github/workflows/fe-unit-tests.yml

@@ -12,6 +12,11 @@ on:
       - 'frontend/**'
       -  '.github/workflows/fe-unit-tests.yml'
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   # Run frontend unit tests
   fe-test:

.github/workflows/ghcr-build.yml

@@ -19,6 +19,11 @@ on:
         required: true
         default: ''
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 env:
   BASE_IMAGE_FOR_HASH_EQUIVALENCE_TEST: nikolaik/python-nodejs:python3.12-nodejs22
   RELEVANT_SHA: ${{ github.event.pull_request.head.sha || github.sha }}

.github/workflows/lint.yml

@@ -10,6 +10,11 @@ on:
     - main
   pull_request:
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   # Run lint on the frontend code
   lint-frontend:

.github/workflows/py-unit-tests.yml

@@ -10,6 +10,11 @@ on:
       - main
   pull_request:
 
+# If triggered by a PR, it will be in the same group. However, each commit on main will be in its own unique group
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   # Run python unit tests on macOS
   test-on-macos: