v2.19.1

What's Changed

• Clear blueprint cache before repopulating by @knolleary in #355
• Bump multer from 2.0.1 to 2.0.2 by @dependabot[bot] in #356
• Bump on-headers and express-session by @dependabot[bot] in #357
• Release 2.19.1 by @knolleary in #358

Full Changelog: v2.19.0...v2.19.1