Fixed typo in GitHub workflows docs.yml

Signed-off-by: alexmerlin <[email protected]>

Author: alexmerlin

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: ${{ matrix.php-versions
+          php-version: ${{ matrix.php-versions }}
           tools: none
       - name: Create file with all extensions for Linux and macOS
         env: