4.34.3 - Add shortcuts and error-handling

Add shortcuts and error-handling

• Add shortcuts for using "Chrome for Testing" and "Chrome-Headless-Shell"
  --> --cft / cft=True ******** --chs / chs=True
• Error early when combining UC Mode with Chrome-Headless-Shell
  --> You can't combine UC Mode with Chrome-Headless-Shell
  --> Chrome-Headless-Shell is incredibly fast, but not stealthy
• Refresh Python dependencies

What's Changed

• Add shortcuts and error-handling by @mdmintz in #3454

Full Changelog: v4.34.2...v4.34.3