Use composerv2

.github/workflows/php.yml

@@ -22,6 +22,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-versions }}
           extensions: mbstring, mysql, pdo, pdo_sqlite, xml
+          tools: composer:v2
           coverage: pcov
 
       - name: Setup problem matchers for PHP
@@ -52,7 +53,7 @@ jobs:
         run: composer validate
 
       - name: Install Composer dependencies
-        run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Syntax check PHP
         run: bash vendor/bin/check-syntax-php.sh
@@ -83,6 +84,7 @@ jobs:
         with:
             php-version: '7.4'
             extensions: mbstring, xml
+            tools: composer:v2
             coverage: none
 
       - name: Setup problem matchers for PHP
@@ -102,13 +104,13 @@ jobs:
             restore-keys: ${{ runner.os }}-composer-
 
       - name: Install Composer dependencies
-        run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Security check for locked dependencies
         uses: symfonycorp/security-checker-action@v2
 
       - name: Update Composer dependencies
-        run: composer update --no-progress --no-suggest --prefer-dist --optimize-autoloader
+        run: composer update --no-progress --prefer-dist --optimize-autoloader
 
       - name: Security check for updated dependencies
         uses: symfonycorp/security-checker-action@v2
@@ -123,6 +125,7 @@ jobs:
         with:
           php-version: '7.4'
           extensions: mbstring, xml
+          tools: composer:v2
           coverage: none
 
       - name: Setup problem matchers for PHP
@@ -142,7 +145,7 @@ jobs:
             restore-keys: ${{ runner.os }}-composer-
 
       - name: Install Composer dependencies
-        run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Syntax check YAML / XML / JSON
         run: |
@@ -160,6 +163,7 @@ jobs:
         uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
         with:
           php-version: '7.4'
+          tools: composer:v2
           extensions: mbstring, xml
 
       - name: Setup problem matchers for PHP
@@ -179,7 +183,7 @@ jobs:
             restore-keys: ${{ runner.os }}-composer-
 
       - name: Install Composer dependencies
-        run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - uses: actions/download-artifact@v1
         with: