Update starkiller version to v2.6.1

Author: web-flow

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ## [5.7.3] - 2023-10-17
+-   Updated Starkiller to v2.6.1
 
 -   Fixed global obfuscation not working on modules (@Cx01N)
 -   Added bypass module in PowerShell to run bypasses after agent is staged (@Cx01N)

empire/server/config.yaml

@@ -40,10 +40,10 @@ database:
     #   format is "192.168.1.1,192.168.1.10-192.168.1.100,10.0.0.0/8"
     ip-blacklist: ""
 starkiller:
-  repo: git@github.com:BC-SECURITY/Starkiller-Sponsors.git
+  repo: https://github.com/BC-SECURITY/Starkiller.git
   directory: empire/server/api/v2/starkiller
   # Can be a branch, tag, or commit hash
-  ref: sponsors-main
+  ref: v2.6.1
   auto_update: true
 plugins:
   # Auto-load plugin with defined settings