* Browser/Security: constrain trace and download output paths to temp roots
* Changelog: remove advisory ID from pre-public security note
* Browser/Security: constrain trace and download output paths to temp roots
* Changelog: remove advisory ID from pre-public security note
* test(bluebubbles): align timeout status expectation to 408
* test(discord): remove unused race-condition counter in threading test
* test(bluebubbles): align timeout status expectation to 408