v2.2.0

This release largely consists of two changes:

• delayed:monitor now requires fewer queries (& fewer rows scanned) to produce the same metrics.
• A new config - Delayed::Worker.deny_stale_enqueues - exists to block enqueues if run_at is too far in the past (indicating a possible bug).

What's Changed

• fix: avoid test flakes on mysql by @smudge in #90
• test: Rework monitor coverage to avoid dups by @smudge in #91
• feat: Add config to raise exceptions when run_at sufficiently in the past by @effron in #99
• style: break aliased columns into multiple lines by @smudge in #92
• refactor: Simpler priority case statement by @smudge in #93
• fix: clamp max_age metrics at 0 by @smudge in #94
• perf(monitor): 4 fewer queries w/ equivalent scans by @smudge in #95
• perf(monitor): Fold max_* into combo queries by @smudge in #96
• refactor: De-complexify 'count' metric by @smudge in #97
• release: v2.2.0 by @smudge in #98

New Contributors

• @effron made their first contribution in #99

Full Changelog: v2.1.0...v2.2.0