chore(deps): update dependency prism to v1.28.0 (#87)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

docs/index.html

@@ -22,7 +22,7 @@
     />
     <link
       rel="stylesheet"
-      href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.25.0/themes/prism-okaidia.min.css"
+      href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/themes/prism-okaidia.min.css"
     />
     <link rel="stylesheet" href="main.css" />
 
@@ -477,7 +477,7 @@ <h2 class="text-center">Contact</h2>
       <script src="https://cdnjs.cloudflare.com/ajax/libs/lightbox2/2.11.3/js/lightbox.min.js"></script>
       <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
       <script src="https://unpkg.com/jquery-peek-a-bar/dist/js/jquery.peekabar.min.js"></script>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.25.0/prism.min.js"></script>
+      <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/prism.min.js"></script>
       <script src="main.js"></script>
       <script>
         (function (i, s, o, g, r, a, m) {