v2.5.278-ls62

LinuxServer Changes:

Rebasing to alpine 3.13.

wiki Changes:

✨ New Features

• 74887ba - auth: OAuth2 scope support (PR #5181 by @myml)
• de15103 - auth: OAuth2 access_token in GET query string in userInfoURL (PR #5188 by @triszt4n)

🐛 Bug Fixes

• 44b3fd1 - admin - general settings not saving with empty value (PR #5165 by @rajatchauhanyti)
• a647626 - external comments template using incorrect page variables (commit by @NGPixel)

🔧 Chores

• 8dcbc18 - helm: add revisionHistoryLimit (PR #5175 by @Parkhost)