feat: clean unsecure URLs

_layouts/index.html

@@ -74,12 +74,12 @@ layout: default
 
         <ul class="ml-3">
           <li>
-            <a href="http://up-for-grabs.net/">
+            <a href="https://up-for-grabs.net">
               {{ t.index.find.issue.grabs }}
             </a>
           </li>
           <li>
-            <a href="https://www.codetriage.com/">
+            <a href="https://codetriage.com">
               {{ t.index.find.issue.triage }}
             </a>
           </li>