setup: clear up base os and gcc in CI #2501

Job	Run time
Scan for Board Targets	35s
Build Group [base-px4]	5m 20s
Build Group [nuttx-micoair]	5m 29s
Build Group [nuttx-mro-0]	12m 15s
Build Group [nuttx-mro-1]	3m 32s
Build Group [nuttx-matek]	7m 1s
Build Group [nuttx-cuav]	6m 37s
Build Group [nuttx-cubepilot]	9m 6s
Build Group [nuttx-holybro-0]	8m 48s
Build Group [nuttx-holybro-1]	3m 12s
Build Group [nuttx-px4-0]	13m 39s
Build Group [nuttx-px4-1]	12m 12s
Build Group [nuttx-px4-2]	13m 17s
Build Group [nuttx-px4-3]	9m 28s
Build Group [nuttx-ark-0]	7m 21s
Build Group [nuttx-ark-1]	5m 44s
Build Group [nuttx-nxp-0]	13m 2s
Build Group [nuttx-nxp-1]	4m 41s
Build Group [nuttx-0]	11m 9s
Build Group [nuttx-1]	11m 39s
Build Group [nuttx-2]	10m 55s
Build Group [nuttx-3]	4m 57s
Build Group [armhf-0]	4m 26s
Build Group [aarch64-0]	2m 47s
Create Release and Upload Artifacts	0s
Upload Artifacts to S3	0s
	3h 7m 12s

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