[ps2]

Bumps LoopKit, Loop and the CGM and pump plugins to their async-device-deletion branches, so CI builds the coordinated change together. Update the pointers to the merge commits once the PRs below merge.

• Make device deletion a single async call LoopKit#685: delete() async for CGM and pump managers (supersedes Call CGM deletion completion on the delegate queue LoopKit#680)
• Adopt async device deletion Loop#2647
• CGM: Await alert retractions before asking Loop to delete the manager G7SensorKit#108, Await alert retractions before asking Loop to delete the manager LibreLoop#33, Adopt async CGM deletion EversenseKit#11, Delete the CGM through delete() CGMBLEKit#231, Delete the CGM through delete() dexcom-share-client-swift#61, Delete the CGM through delete() NightscoutRemoteCGM#42, Delete the CGM through delete() LibreTransmitter#61
• Pump: Adopt async pump deletion MinimedKit#46, Adopt async pump deletion loopandlearn/OmnipodKit#210, Adopt async pump deletion MedtrumKit#9, Adopt async pump deletion in the test app RileyLinkKit#24