ci: Add concurrency groups to workflows

Added concurrency control to workflows to automatically cancel outdated
runs when new commits are pushed. This prevents resource waste when
multiple commits are pushed in quick succession to the same PR or branch

Signed-off-by: Omar <omar.brbutovic@secomind.com>

Author: OmarBrbutovic

.github/workflows/backend-ci.yaml

@@ -35,6 +35,10 @@ on:
       - ".tool-versions"
       - ".github/workflows/backend-*.yaml"
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 jobs:
   warmup-cache:
     uses: ./.github/workflows/backend-warmup-cache.yaml

.github/workflows/check-license-year.yaml

@@ -22,6 +22,10 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

.github/workflows/docs-workflow.yaml

@@ -1,7 +1,7 @@
 #
 # This file is part of Edgehog.
 #
-# Copyright 2021-2025 SECO Mind Srl
+# Copyright 2021 - 2026 SECO Mind Srl
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -43,6 +43,10 @@ on:
       - "main"
       - "release-*"
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 jobs:
   docs:
     if: github.repository_owner == 'edgehog-device-manager'

.github/workflows/frontend-ci.yaml

@@ -37,6 +37,10 @@ on:
       - ".tool-versions"
       - ".github/workflows/frontend-ci.yaml"
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 jobs:
   warmup-cache:
     uses: ./.github/workflows/frontend-warmup-cache.yaml

.github/workflows/frontend-codeql-analysis.yaml

@@ -38,6 +38,11 @@ on:
   workflow_dispatch:
   schedule:
     - cron: "33 5 * * 6"
+
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 permissions:
   contents: read
 defaults:

.github/workflows/pr-fast-forward-check.yaml

@@ -1,7 +1,7 @@
 #
 # This file is part of Edgehog.
 #
-# Copyright 2025 SECO Mind Srl
+# Copyright 2025 - 2026 SECO Mind Srl
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,6 +22,11 @@ name: pull-request
 on:
   pull_request:
     types: [opened, reopened, synchronize]
+
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 jobs:
   check-fast-forward:
     runs-on: ubuntu-latest

.github/workflows/pr-lint.yaml

@@ -1,7 +1,7 @@
 #
 # This file is part of Edgehog.
 #
-# Copyright 2025 SECO Mind Srl
+# Copyright 2025 - 2026 SECO Mind Srl
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -25,6 +25,10 @@ permissions:
 
 on: pull_request
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 env:
   CLICOLOR: 1
 

.github/workflows/reuse-lint.yaml

@@ -6,6 +6,10 @@ name: REUSE Compliance Check
 
 on: [push, pull_request]
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ubuntu-latest