Migrate the Log4Shell exploiter to a plugin

@cakekoa

Description

Replace the hard-coded Log4Shell exploiter with a new and improved, fully tested, Log4Shell exploiter plugin.

Create plugin skeleton (0d) @cakekoa
- options (pydantic)
  - determine what options Log4Shell should have
  - create a pydantic model for Log4Shell options
- Create plugin manifest
- Create config schema
Create a Pipfile for dependencies (0d) @ilija-lazoroski
Migrate the LDAPServer from multiprocessing to multithreading (0d) - @shreyamalviya
migrate the log4shell exploiter to a plugin (0d)
- plugin.py - @shreyamalviya
- command builder - @ilija-lazoroski
- exploiter - @shreyamalviya
- exploit client - @ilija-lazoroski
- use HTTPBytesServer in place of ExploitClassHTTPServer - @shreyamalviya
Update Jenkins (0d)
- Add a jenkins job to build the plugin (needs to build windows dependencies) - @shreyamalviya
- Update the island build jobs on Jenkins to copy the artifacts from the Log4Shell plugin build job
Update ETE test configurations (0d) - @shreyamalviya
Remove the hard-coded Log4Shell plugin (0d) - @shreyamalviya
- Don't forget to remove the dependencies from the agent's Pipfile
- Remove WebRCE
- Remove vulture entries
Extra and ETE testing (0.25d) @ilija-lazoroski
consolidate from twisted.internet import reactor imports and test; see this