Move CS to Github Actions

.github/workflows/coding-standards.yml

@@ -0,0 +1,37 @@
+name: "Coding Standards"
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  coding-standards:
+    name: "Coding Standards"
+    runs-on: "ubuntu-20.04"
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.3"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php-version }}"
+          tools: "cs2pr"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+
+      - name: "Install php-cs-fixer"
+        run: composer require "friendsofphp/php-cs-fixer:^2.16"
+
+      - name: "Run php-cs-fixer"
+        run: "vendor/bin/php-cs-fixer fix --diff --dry-run -v"

.travis.yml

@@ -30,4 +30,3 @@ install: composer update --prefer-source --no-interaction
 script:
   - composer check-platform-reqs
   - vendor/bin/phpunit --debug
-  - if [ "$TRAVIS_PHP_VERSION" != "8.0" ]; then composer require "friendsofphp/php-cs-fixer:^2.16" && vendor/bin/php-cs-fixer fix --diff --dry-run -v; fi