Rename the title too, not just the URL

.github/ISSUE_TEMPLATE/config.yml

@@ -1,6 +1,6 @@
 blank_issues_enabled: false
 contact_links:
-  - name: Discourse forum for bitwarden_rs
+  - name: Discourse forum for vaultwarden
     url: https://vaultwarden.discourse.group/
     about: Use this forum to request features or get help with usage/configuration.
   - name: GitHub Discussions for vaultwarden