Fix behat unstable version

Author: yoanm

.github/workflows/reusable-CI-workflow.yml

@@ -164,7 +164,7 @@ jobs:
     name: Nightly - PHP ${{ matrix.php-version }} & Symfony ${{ matrix.symfony-version }}
     runs-on: ubuntu-latest
     env:
-      COMPOSER_OPTIONS: '--optimize-autoloader --ignore-platform-req=php+'
+      COMPOSER_OPTIONS: '--optimize-autoloader --prefer-dist --ignore-platform-req=php+'
     continue-on-error: true
     needs: [ static-checks, tests ]
     strategy:
@@ -208,14 +208,14 @@ jobs:
       - name: Build
         run: |
           composer config minimum-stability dev \
-          && composer require -W ${{ env.COMPOSER_OPTIONS }} \
+          && composer require -W ${{ env.COMPOSER_OPTIONS }} --prefer-stable \
             symfony/http-foundation:^${{ matrix.symfony-version }} \
             symfony/http-kernel:^${{ matrix.symfony-version }} \
             symfony/config:^${{ matrix.symfony-version }} \
             symfony/dependency-injection:^${{ matrix.symfony-version }} \
             symfony/event-dispatcher:^${{ matrix.symfony-version }} \
             symfony/routing:^${{ matrix.symfony-version }} \
-          && composer update ${{ env.COMPOSER_OPTIONS }} \
+          && composer update  ${{ env.COMPOSER_OPTIONS }} --prefer-stable \
           && make build
 
       - name: Test