change git_project_url var for base.twig

data/web/templates/base.twig

@@ -144,7 +144,7 @@
     version_tag: '{{ mailcow_info.version_tag }}',
     last_version_tag: '{{ mailcow_info.last_version_tag }}',
     updatedAt: '{{ mailcow_info.updated_at }}',
-    project_url: '{{ mailcow_info.project_url }}',
+    project_url: '{{ mailcow_info.git_project_url }}',
     project_owner: '{{ mailcow_info.git_owner }}',
     project_repo: '{{ mailcow_info.git_repo }}',
     branch: '{{ mailcow_info.mailcow_branch }}'