remove unused dependency, snyk should work as a static code scanner

.github/workflows/snyk-scan.yml

@@ -25,8 +25,6 @@ jobs:
       github.event.pull_request.author_association == 'OWNER' )
     steps:
       - uses: actions/checkout@v6
-      - name: Install Google Cloud Storage
-        run: composer require --no-update google/cloud-storage && composer update --no-dev
       - name: Run Snyk to check for vulnerabilities
         uses: snyk/actions/php@master
         continue-on-error: true # To make sure that SARIF upload gets called