Found a couple here:
https://www.satellitetoday.com/launch/2020/09/14/kleos-space-scouting-mission-set-to-launch-in-november-with-isro/
This one is about Spire, but mentions the 2 Lemurs going up with the KSM's and stated Nov1, maybe just ballpark date.
http://www.parabolicarc.com/2020/09/14/uk-built-nanosatellites-ready-for-launch/