[github] Cancel previous actions if PR or branch was updated

It will help to avoid waiting for available free runners

Signed-off-by: Alexander Borsuk <me@alex.bio>

.github/workflows/android-check.yaml

@@ -25,6 +25,11 @@ on:
       - track_generator/**
       - xcode/**
 
+# Cancels previous jobs if the same branch or PR was updated again.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   lint:
     name: Android Lint

.github/workflows/ios-check.yaml

@@ -24,6 +24,11 @@ on:
       - tools/**
       - track_generator/**
 
+# Cancels previous jobs if the same branch or PR was updated again.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   ios-check:
     name: Build iOS

.github/workflows/linux-check.yaml

@@ -22,6 +22,11 @@ on:
       - '!tools/python/SiblingKiller.py'
       - xcode/**
 
+# Cancels previous jobs if the same branch or PR was updated again.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   linux-no-unity:
     name: Linux no unity build

.github/workflows/macos-check.yaml

@@ -22,6 +22,11 @@ on:
       - '!tools/python/SiblingKiller.py'
       - xcode/**
 
+# Cancels previous jobs if the same branch or PR was updated again.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   macos-matrix:
     name: macOS builds and tests