Reorder build steps

.github/workflows/continuous-integration.yml

@@ -131,6 +131,11 @@ jobs:
         if: "matrix.dependencies == 'locked'"
         run: "composer install ${{ env.COMPOSER_FLAGS }}"
 
+      - name: "Require latest PHPUnitBridge for PHP 8"
+        if: "matrix.php-version == '8.0'"
+        run: |
+          composer require --no-update --dev symfony/phpunit-bridge:^5.1.0-RC2
+
       - name: "Update Symfony's PHPUnitBridge to latest available for the current PHP always as it is not really a dependency of the project"
         run: "composer update ${{ env.COMPOSER_FLAGS }} symfony/phpunit-bridge"
 
@@ -143,11 +148,6 @@ jobs:
       - name: "Prepare git environment"
         run: "git config --global user.name composer && git config --global user.email composer@example.com"
 
-      - name: "Require latest PHPUnitBridge for PHP 8"
-        if: "matrix.php-version == '8.0'"
-        run: |
-          composer require --dev symfony/phpunit-bridge:^5.1.0-RC2
-
       - name: "Run tests"
         if: "matrix.php-version != '7.3'"
         run: "vendor/bin/simple-phpunit"