Issue #0: Rely on composer to generate auth file

.github/workflows/tests.yml

@@ -28,16 +28,7 @@ jobs:
       - name: Add HTTP basic auth credentials
         run: |
           # Using GitHub repository secret to provide a token for GitHub downloads.
-          # The secret should named AUTH_JSON_FOR_BOILERPLATE_GITHUB_CI and be like this:
-          # {
-          #   "github-oauth": {
-          #     "github.com": "<A PERSONAL ACCESS TOKEN>"
-          #   }
-          # }
-          echo "auth.json path: $GITHUB_WORKSPACE/auth.json"
-          echo '${{ secrets.auth_json_for_boilerplate_github_ci }}' > $GITHUB_WORKSPACE/auth.json
-          echo "Debug: Display auth.json file (token should be regenerated after these tests!)"
-          cat $GITHUB_WORKSPACE/auth.json
+          composer config --global github-oauth.github.com '${{ secrets.auth_json_for_boilerplate_github_ci }}'
           pwd
 
       - name: Prepare container for testing