nicla sense: increase main stack size #801

Job	Run time
Build and package cores	2m 57s
verify-core	3s
Test ${{ matrix.subarch }}:${{ matrix.board }}	0s
cleanup-artifacts	3s
Split off ${{ matrix.artifact }}	0s
Publish jsons	0s
Publish core	0s
Collect logs	0s
Build and package cores	9m 22s
Split off zephyr_contrib	14s
Split off zephyr_main	8s
Split off zephyr	15s
Split off zephyr_unoq	6s
Test zephyr_main:opta	2m 25s
Test zephyr_main:nano33ble	2m 37s
Test zephyr_contrib:frdm_mcxn947	2m 21s
Test zephyr_contrib:frdm_rw612	2m 16s
Test zephyr_main:giga	2m 29s
Test zephyr_main:portentah7	2m 37s
Test zephyr:unoq	2m 25s
Test zephyr_main:portentac33	2m 30s
Test zephyr_contrib:ek_ra8d1	2m 25s
Test zephyr_main:niclasense	2m 0s
Collect logs	6s
Publish jsons	19s
Publish core	0s
verify-core	0s
cleanup-artifacts	3s
	37m 41s

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