PRE-2117: add php 8 compatibility

.github/workflows/payplug-ci.yml

@@ -2,13 +2,13 @@ name: PHP Composer
 
 on:
   push:
-    branches: 
+    branches:
       - master
       - develop
     tags:
       - "*"
   pull_request:
-    branches: 
+    branches:
       - master
       - develop
 
@@ -18,37 +18,33 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.3', '7.4', '8.0','8.1']
-        phpunit-versions:
-          - '8.5.15'
-          - '9.0'
-
-        include:
+        php-versions: [ '5.6', '7.0', '7.3', '7.4', '8.0' ]
+        phpunit-versions: [ '8.5.15' ]
+      include:
         - php-versions: '5.6'
           phpunit-versions: '5.7.27'
         - php-versions: '7.0'
           phpunit-versions: '6.5.14'
 
-
     name: Php Version ${{matrix.php-versions }} / php Unit ${{ matrix.phpunit-versions }}
     steps:
-    - uses: actions/checkout@v2
-    - name: Setup PHP with PECL extension
-      uses: shivammathur/setup-php@v2
-      with: 
-        php-version: ${{ matrix.php-versions }}
-        tools: phpunit:${{ matrix.phpunit-versions }}
-
-    - name: php version
-      run: php -v
+      - uses: actions/checkout@v2
+      - name: Setup PHP with PECL extension
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          tools: phpunit:${{ matrix.phpunit-versions }}
 
-    - name: Run test suite
-      run: phpunit --bootstrap tests/config.php tests --configuration tests/phpunit.xml
+      - name: php version
+        run: php -v
+
+      - name: Run test suite
+        run: phpunit --bootstrap tests/config.php tests --configuration tests/phpunit.xml
 
   sonarcloud:
-      runs-on: ubuntu-latest
-      continue-on-error: true
-      steps:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
       - uses: actions/checkout@v3
         with:
           # Disabling shallow clone is recommended for improving relevancy of reporting
@@ -66,10 +62,10 @@ jobs:
             -Dsonar.test.exclusions=tests/**
             -Dsonar.tests=tests/
             -Dsonar.verbose=true
-  
+
   release:
 
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     needs: tests_unit
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
     steps:
@@ -86,5 +82,4 @@ jobs:
           git config user.name "GitHub Actions"
           git add .
           git commit -m "[Automated Release Action]"
-          git push origin HEAD:master
-
+          git push origin HEAD:master