appsdk-bump-app-catalog 420 bumping sdk to 1867-5f218d8

sdk commit: RallySoftware/appsdk@07c5f1a294a1580f94214ad3e742d85113da4e2b
author: Steven Boles
message: DE18941 - add child from gear on pi kanban/kanban now assigns parent

sdk commit: RallySoftware/appsdk@f15d024596a653da657d287873ef1f3d54eb8b48
author: Steve Neely and Kevin Roberts
message: Deflaking tests (Firefox issues)

sdk commit: RallySoftware/appsdk@08dab40e3f1917adc15c241f12b305a9ea003578
author: Steve Neely and Kevin Roberts
message: Using @waitForCallback - better

sdk commit: RallySoftware/appsdk@5f218d84dbe704ce96bcb5642df696d3b52e308e
author: Neal Enssle and Rick Lansky
message: S64247 - Enablement via new popover component: project level shared pages