Cherry Pick: Notifications: update panel to version 2.2.2 (Automattic…

…#26338)

Simple Payments: restrict image sources available in Media Library (A…

…utomattic#24797)

This temoporarily removes Google Photos and Free Photo Library as
options from Simple Payments Media Library selection.

Release v2.1.1

Build: Add CSS files in `/public/sections` to the watched hot-reload …

…files list (Automattic#19228)

Fix import of lib/oauth-token which doesn't have a default export

Merge pull request Automattic#18887 from Automattic/release/reader/co…

…nversations-staging

Reader: Release conversations to staging, expand flags

Start monthly/yearly billing button test (Automattic#18233)

Revert to using legacy logout if login/wp-login is disabled