Fix link to issue tracker in documentation

Fixes: a1d986d952ac739b52e11e755e834dcf7444d957

docs/_includes/components/suggestion-link.html

@@ -1,7 +1,7 @@
 <h2>Improve this documentation</h2>
 
 <p>Have an idea on how to make this documentation even better? Use our <a
-href="https://torsion.org/borgmatic/#issues">issue tracker</a> to send your
+href="https://projects.torsion.org/witten/borgmatic/issues">issue tracker</a> to send your
 feedback!</p>
 
 <script>