remove https reference

Author: kokizzu

docs/themes/hugo-docs/layouts/partials/header.html

@@ -29,7 +29,7 @@
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.10.0/highlight.min.js"></script>
     <script async src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.10.0/languages/go.min.js"></script>
     <script async src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.10.0/languages/java.min.js" integrity="sha256-RyOs5MjQ+Ef9DQrPHp4QGr2tcNjxLh6mCkkW+sS4doU=" crossorigin="anonymous"></script>
-    <script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
+    <script src="//code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
 
     <title>
       {{.Section | default "Badgerdb Documentation" | humanize}} — {{ .Site.Title }}