Update subresource integrity hashes

Upgrade to 5.5.3

default.hbs

@@ -19,13 +19,14 @@
       rel="stylesheet" 
       type="text/css" 
       href="{{asset "built/screen.css"}}"
-      integrity="sha256-2l5cwMuCBQRU/srZKHttk1BMLTWpxpmy38/KvszGjRQ=" />
+      integrity="sha384-nUjVEG8TOFen2hJEFoj+dwJxd+ykZ8VG3oylTBdv59R9NkzH7RpVXB1C/yVGk0k0"
+      />
   
     {{!-- Ko-fi Widget script --}}
     <script 
       type="text/javascript" 
-      src="{{asset "js/lib/ko-fi-widget_v2.js"}}" 
-      integrity="sha256-vIzHU2v5TQMAT6IcQFoigYePsSlqYanf61XMJ6U8bKE="
+      src="{{asset "js/lib/ko-fi-widget_v2.js"}}"
+      integrity="sha384-Rcj4KkHwDQtvw7A5oj7UDNOMX69S0gBYcKM6MnGgrZDkI8unabTnkhF7wFdHxovh" 
     ></script>
 
     {{!-- This tag outputs all your advanced SEO meta, structured data, and other important settings,
@@ -106,11 +107,11 @@
 {{!-- Scripts - handle member signups, responsive videos, infinite scroll, floating headers, and galleries --}}
 <script
     src="{{asset "js/lib/jquery-3.5.1.min.js"}}"
-    integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=">
+    integrity="sha384-ZvpUoO/+PpLXR1lu4jmpXWu80pZlYUAfxl5NsBMWOEPSjUn/6Z/hRTt8+pR6L4N2">
 </script>
 <script 
   src="{{asset "built/casper.js"}}"
-  integrity="sha256-fYSmAq1sXUPZ7kf709oLgEa58NkM60ut+VNQJpnb10g=">
+  integrity="sha384-XGd3dDIqu38qzadrjwY9cinSemsEyo6vEDUEydPXR5Whmnu+fUjuMU2x92ZVkPwu">
 </script>
 
 <script>