v2.19.0

Changed

• docs: explain the agent-base problem in FAQ #639 (markstos)
• docs: document min length for secret #638 (markstos)
• docs: add missing callback example #610 (elen-ita)

Fixed

• fix: handle null/undefined session header #666 (kushalshit27)
• fix: added promisification utility to handle callback and promise-based stores #665 (kushalshit27)
• bugfix: Do an idp logout even when oidc.isAuthenticated is false #640 (tusharpandey13)
• fix: session expiry calculation functionality #670 (aks96)

Security

• chore: dependency updates #668 (kushalshit27)