chore(release): Changelog for 19.0.2

[nickvergessen]

Commited with [skip-ci] to save some CI time on this busy day.

19.0.2 – 2024-06-13

Fixed

• fix(call): Fix audio issue in Safari when a user unmutes after a longer time while the tab is inactive #12511
• fix(bots): Fix bots with self-signed certificates #12471
• fix(chat): Improve scrolling behaviour when reopening a conversation #12199
• fix(chat): Better handling of captioned messages in federated conversations #12375
• fix(attachments): Fix creating new files from templates #12488
• fix(call): Directly sync the preferences with the device selection #12493
• fix(call): Give feedback when trying to "Ring" a participant that has DND enabled #12377
• fix(breakoutrooms): Don't allow to enable guests in breakout rooms until it's supported #12457
• fix(UI): Improve button in mobile UI to use less space #12473

[nickvergessen]

/backport! to stable29

[Antreesy]

#12513 incoming, but we could skip mentioning it