Corrected MarketPlace registry to point to the proper repo (#773)

emergency patch for release

Author: Hubbl3

empire/server/config.yaml

@@ -48,7 +48,7 @@ submodules:
 plugin_marketplace:
   registries:
     - name: BC-SECURITY
-      git_url: git@github.com:BC-SECURITY/Empire-Plugin-Registry-Sponsors.git
+      git_url: https://github.com/BC-SECURITY/Empire-Plugin-Registry.git
       ref: main
       file: registry.yaml
 directories: