AP_Scripting: fixed hard fault on handling of lua exception #38524

Job	Run time
build (stm32f7, chibios, 10)	4m 39s
build (stm32h7, chibios, 10)	3m 53s
build (fmuv2-plane, chibios, 10)	2m 21s
build (periph-build, chibios, 10)	4m 48s
build (iofirmware, chibios, 10)	1m 59s
build (CubeOrange-bootloader, chibios, 10)	1m 13s
build (fmuv3-bootloader, chibios, 10)	55s
build (revo-bootloader, chibios, 10)	1m 14s
build (stm32h7-debug, chibios, 10)	2m 27s
build (fmuv3, chibios, 10)	6m 13s
build (revo-mini, chibios, 10)	4m 18s
build (MatekF405-Wing, chibios, 10)	4m 58s
build (CubeOrange-ODID, chibios, 10)	3m 5s
build (CubeRedPrimary-bootloader, chibios, 10)	1m 15s
build (configure-all, chibios, 10)	9m 51s
build (build-options-defaults-test, chibios, 10)	8m 34s
build (signing, chibios, 10)	3m 30s
build (CubeOrange-PPP, chibios, 10)	2m 25s
build (SOHW, chibios, 10)	3m 54s
build (Pixhawk6X-PPPGW, chibios, 10)	1m 32s
	1h 13m 4s

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