ci: Fix docs building after the pnpm migration (#1149)

Author: fnesveda

.github/workflows/docs.yaml

@@ -49,7 +49,7 @@ jobs:
               uses: apify/actions/signed-commit@v1.1.2
               with:
                   message: "chore: Automatic theme updating workflow [skip ci]"
-                  add: 'website/package.json website/package-lock.json pnpm-lock.yaml'
+                  add: 'website/package.json pnpm-lock.yaml'
                   github-token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 
             - name: Set up GitHub Pages