Freeze python dependencies with pipenv

[mssalvatore]

Properly freeze our python dependencies with pipenv Duplicate issue: #915 Partially solves: #294 (pip requirements should get added to lock automatically)

• [x] install pipenv in deployment scripts. (0d) - @VakarisZ
• [x] Investigate requirement files in envs/monkey_zoo/blackbox. (0d) - @mssalvatore
• [x] Alter build scripts to use pipenv and test (maybe we need to use --system for compatibility with pyinstaller or pipenv shell):
  • [x] Windows agents (0d) - @VakarisZ
  • [x] Linux agents (0d) - @VakarisZ
  • [x] MSI installer (0d) - @VakarisZ
  • [x] Docker (test and investigate infection_monkey/docker, potentially remove) (0) - @mssalvatore
• [x] AppImage (change to pipenv and test) (0d) - @mssalvatore, @shreyamalviya
• [x] Modify and test the run scripts (run.sh and monkey/monkey_island/windows/run_cc.bat) (0d) - @mssalvatore
• [x] Change monkey/infection_monkey/readme.md and monkey/monkey_island/readme.md and other related documentation to document how we use pipenv (0d) - @mssalvatore
• [x] Resolve telemetry API import error (0d) - @VakarisZ
• [x] Run blackbox tests and resolve new bugs (.5d)
  • [x] Agents - @VakarisZ
  • [x] MSI installer
  • [x] Docker installer

[mssalvatore]

Dependabot submitted this PR https://github.com/guardicore/monkey/pull/1067. Investigate whether or not cryptography is a dependency we still need.