refactor: switch to regular cloudinary js

* it's hosted at cdnjs, inline with other js source
    - better for HTTP/2 multiplexing if same host
  * update jquery

themes/typing/layout/_partial/after-footer.ejs

@@ -1,8 +1,8 @@
-<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" data-sri-fallback="/js/jquery.min.js" integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" data-sri-fallback="/js/jquery.min.js" integrity="sha384-vk5WoKIaW/vJyUAd9n/wmopsmNhiy+L2Z+SBxGYnUkunIxVxAv/UtMOhba/xskxh" crossorigin="anonymous"></script>
 
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" data-sri-fallback="/js/clipboard.min.js" integrity="sha384-8CYhPwYlLELodlcQV713V9ZikA3DlCVaXFDpjHfP8Z36gpddf/Vrt47XmKDsCttu" crossorigin="anonymous"></script>
 
-<script src="https://cdn.jsdelivr.net/npm/cloudinary-jquery@2.6.3/cloudinary-jquery.min.js" data-sri-fallback="/js/cloudinary-jquery.min.js" integrity="sha384-7r/pYA0kKTYRA5gvNNmg/8Z5uHwjrPf1TVF8bcIVj52wHxbo9GU3P/69gZGRtpvH" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/cloudinary-core/2.6.3/cloudinary-core-shrinkwrap.min.js" data-sri-fallback="/js/cloudinary-core-shrinkwrap.min.js" integrity="sha384-AtUi14V2IZNnJArkg9+Z7S73y5MplnidfGOr3uLWrW2VTnQKUnJnRZl0IdvfTueI" crossorigin="anonymous"></script>
 
 <% if (theme.fancybox) { %>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/fancybox/3.5.7/jquery.fancybox.min.js" data-sri-fallback="/fancybox/jquery.fancybox.min.js" integrity="sha384-Zm+UU4tdcfAm29vg+MTbfu//q5B/lInMbMCr4T8c9rQFyOv6PlfQYpB5wItcXWe7" crossorigin="anonymous"></script>