v2026.6.23.0

What's Changed

• feat(email): show backfill thread count and time remaining by @evanhutnik in #4270
• chore(ci): migrate reusable deploy workflow to Namespace runners and nix by @synoet in #4271
• feat(ai): add in processing of ai projections by @whutchinson98 in #4262
• chore bump actions by @whutchinson98 in #4274
• fix(paywall): stop capping free users by chat/document count (macro-1986) by @ehayes2000 in #4256
• fix(gmail): auth service paywall by @whutchinson98 in #4277

Full Changelog: v2026.6.22.0...v2026.6.23.0