fix: simplify environment variable handling in Playwright workflow by…

… removing toJson function

.github/workflows/playwright.yml

@@ -19,8 +19,7 @@ jobs:
       run: npx playwright install --with-deps
     - name: Set environment variables from JSON
       run: |
-        echo "${{ toJson(secrets.SECRETS_JSON) }}" > secrets.json
-        cat secrets.json | jq empty
+        echo "${{ secrets.SECRETS_JSON }}" > secrets.json
         cat secrets.json | jq -r 'to_entries | .[] | "echo \(.key)=\(.value) >> $GITHUB_ENV"' | sh
     - name: Run Playwright tests
       run: npx playwright test