AP_Scripting: minor spelling fixes #41830

Job	Run time
build (stm32f7, chibios, 10)	5m 42s
build (stm32h7, chibios, 10)	5m 51s
build (fmuv2-plane, chibios, 10)	4m 0s
build (periph-build, chibios, 10)	5m 27s
build (iofirmware, chibios, 10)	3m 45s
build (CubeOrange-bootloader, chibios, 10)	3m 13s
build (fmuv3-bootloader, chibios, 10)	2m 56s
build (revo-bootloader, chibios, 10)	3m 13s
build (stm32h7-debug, chibios, 10)	4m 11s
build (fmuv3, chibios, 10)	7m 38s
build (revo-mini, chibios, 10)	6m 18s
build (MatekF405-Wing, chibios, 10)	6m 41s
build (CubeOrange-ODID, chibios, 10)	4m 52s
build (CubeRedPrimary-bootloader, chibios, 10)	2m 56s
build (configure-all, chibios, 10)	12m 39s
build (build-options-defaults-test, chibios, 10)	8m 55s
build (signing, chibios, 10)	5m 3s
build (CubeOrange-PPP, chibios, 10)	4m 22s
build (SOHW, chibios, 10)	5m 22s
build (Pixhawk6X-PPPGW, chibios, 10)	3m 35s
build (new-check, chibios, 10)	6m 20s
	1h 52m 59s

Provide feedback