Update MAINTAINERS.md

Co-authored-by: Lorna Jane Mitchell <[email protected]>

Author: earth2marsh

MAINTAINERS.md

@@ -5,7 +5,7 @@
 * Ron Ratovsky [@webron](https://github.com/webron)
 
 ## Provisional
-* Lorna Jane [@lornajane](https://github.com/lornajane)
+* Lorna Mitchell [@lornajane](https://github.com/lornajane)
 * Mike Kistler [@mkistler](https://github.com/mkistler)
 * Miguel Quintero [@miqui](https://github.com/miqui)
 * Ralf Handl [@ralfhandl](https://github.com/ralfhandl)