fix: update nonce assignment in liteYouTube script for proper JSON formatting

Author: Onibenjo

templates/base_index.html

@@ -70,7 +70,7 @@
             Must run before the deferred lite-youtube module upgrades the
             element.
           -->
-          <script nonce="{{ csp_nonce }}">window.liteYouTubeNonce = "{{ csp_nonce }}";</script>
+          <script nonce="{{ csp_nonce }}">window.liteYouTubeNonce = {{ csp_nonce | tojson }};</script>
 
           {% block extra_metatags %}{% endblock %}