bgutil-ytdlp-pot-provider 0.7.0

What's Changed

• Mock user agent by @Brainicism in #42
• Handle and log BG challenge errors by @Brainicism in #41
• [test] Change yt-dlp failures to warnings, validate script/server output directly by @Brainicism in #39
• Update docs by @grqz in #27

Full Changelog: 0.6.1...0.7.0