v0.61.139

What's Changed

• fix(email): detect and alert on delivery failures WPMgr does not route (GH #381, #439) by @mosamlife in #447
• ci(plugincheck): pin the gate, fix false-positive offloading flag by @mosamlife in #446
• fix(agent): wp_mail() reports the truth on a failed send by @mosamlife in #440
• feat(api): email failure-detection coverage (GH #381 phase 2) by @mosamlife in #441
• fix(agent): capture wp_mail_failed on sites WPMgr does not route (GH #381 phase 1) by @mosamlife in #442
• feat(web): surface failure-detection coverage on Notifications page (GH #381 phase 3/5) by @mosamlife in #443
• fix(email): log every maybeAlertFailures exit path with a reason (GH #381 phase 5) by @mosamlife in #444
• fix(agent): log a detected email failure even when log_emails is off (GH #381 phase 4) by @mosamlife in #445
• fix(email): set the failure-detection version gate to 0.61.139 by @mosamlife in #449
• release: 0.61.139 by @mosamlife in #448

Full Changelog: v0.61.138...v0.61.139