[TECHNICAL] Add concurrency control to the CI workflows that take longer

.github/workflows/android-instrumented-data-tests.yml

@@ -6,6 +6,11 @@ permissions:
 on:
   pull_request:
 
+# Cancels other executions in the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   instrumented-tests:
     name: Run Android Instrumented Data Tests

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

@@ -6,6 +6,11 @@ permissions:
 on:
   pull_request:
 
+# Cancels other executions in the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   unit-tests:
     name: Run Android Unit Tests

.github/workflows/detekt.yml

@@ -7,6 +7,11 @@ on:
     branches:
       - "*"
 
+# Cancels other executions in the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

.github/workflows/sbom.yml

@@ -11,6 +11,10 @@ on:
     - technical/*
     - 'dependabot/**'
 
+# Cancels other executions in the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 permissions:
   contents: write

CHANGELOG.md

@@ -51,6 +51,7 @@ ownCloud admins and users.
 * Enhancement - Update space image: [#4691](https://github.com/owncloud/android/issues/4691)
 * Enhancement - Show space quota: [#4693](https://github.com/owncloud/android/issues/4693)
 * Enhancement - Add user role to spaces: [#4698](https://github.com/owncloud/android/pull/4698)
+* Enhancement - Cancellation policy for CI workflows: [#4712](https://github.com/owncloud/android/pull/4712)
 
 ## Details
 
@@ -159,6 +160,13 @@ ownCloud admins and users.
 
    https://github.com/owncloud/android/pull/4698
 
+* Enhancement - Cancellation policy for CI workflows: [#4712](https://github.com/owncloud/android/pull/4712)
+
+   A new cancellation policy has been set to CI workflows. Only one concurrent
+   execution of every workflow in every branch.
+
+   https://github.com/owncloud/android/pull/4712
+
 # Changelog for ownCloud Android Client [4.6.2] (2025-08-13)
 
 The following sections list the changes in ownCloud Android Client 4.6.2 relevant to

changelog/unreleased/4712

@@ -0,0 +1,5 @@
+Enhancement: Cancellation policy for CI workflows
+
+A new cancellation policy has been set to CI workflows. Only one concurrent execution of every workflow in every branch. 
+
+https://github.com/owncloud/android/pull/4712