Advertise support for qBittorrent v4.6.0

[rmartin16]

Release Checklist

• Bump version number in setup.cfg
• Update CHANGELOG
• Update qBittorrent version/link in docs/source/introduction
• Update qBittorrent version/link in README
• Update LATEST_QBT_VER in CI
• Add previous version to QBT_VER in CI if any tests depend on that version
• Add new version to _version_support.py

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (02dd2d8) 100.00% compared to head (0f455a0) 100.00%.

❗ Current head 0f455a0 differs from pull request most recent head 5d485b9. Consider uploading reports for the commit 5d485b9 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #357   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines         1977      1977           
  Branches       365       365           
=========================================
  Hits          1977      1977           

Files	Coverage Δ
src/qbittorrentapi/_version_support.py	100.00% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.