[TASK] Add GitHub Actions, remove compatibility with PHP 7.4 (#24)

Author: jrenggli

.github/workflows/ci.yaml

@@ -0,0 +1,70 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  check-composer:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.1
+          coverage: none
+          tools: composer:v2
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Validate composer.json
+        run: composer validate
+
+  php-linting:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version:
+          - 8.0
+          - 8.1
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: none
+
+      - name: PHP lint
+        run: "find *.php Classes Configuration -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l"
+
+  code-quality:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version:
+          - 8.0
+          - 8.1
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: none
+          tools: composer:v2
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install dependencies with expected TYPO3 version
+        run: composer require --prefer-dist --no-progress
+
+      - name: Code Quality (by PHPStan)
+        run: ./vendor/bin/phpstan analyse

composer.json

@@ -6,10 +6,14 @@
     "GPL-2.0-or-later"
   ],
   "require": {
-    "typo3/cms-core": "^11",
     "cloudinary/cloudinary_php": "^1.15",
     "ext-json": "*",
-    "php": "^7.3 || ~8.0 || ~8.1"
+    "php": "~8.0 || ~8.1",
+    "typo3/cms-backend": "^11.5",
+    "typo3/cms-extbase": "^11.5"
+  },
+  "require-dev": {
+    "phpstan/phpstan": "^1.8"
   },
   "autoload": {
     "psr-4": {
@@ -21,5 +25,11 @@
     "typo3/cms": {
       "extension-key": "cloudinary"
     }
+  },
+  "config": {
+    "allow-plugins": {
+      "typo3/cms-composer-installers": true,
+      "typo3/class-alias-loader": true
+    }
   }
 }