seleniumbase 4.15.11

4.15.11 - Simplify dependencies

on Python PyPI

Simplify dependencies

• Upgrade the "execnet" dependency
• Update deploy dependencies
• Update optional dependencies for reading PDFs
• Remove dependencies that are no longer required
• This resolves #1941

What's Changed

• Simplify dependencies by @mdmintz in #1942

Full Changelog: v4.15.10...v4.15.11