Upgrade CI commands to resolve warnings #285

Job	Run time
test-sim (ubuntu-20.04, newlib, rv64gc-lp64d, spike)	1h 54m 4s
build-multilib	0s
build (ubuntu-20.04, newlib, rv32gc-ilp32d, gcc)	1h 51m 38s
build (ubuntu-20.04, newlib, rv32gc-ilp32d, llvm)	2h 33m 35s
build (ubuntu-20.04, newlib, rv64gc-lp64d, gcc)	1h 49m 12s
build (ubuntu-20.04, newlib, rv64gc-lp64d, llvm)	2h 31m 54s
build (ubuntu-20.04, linux, rv32gc-ilp32d, gcc)	3h 23m 17s
build (ubuntu-20.04, linux, rv32gc-ilp32d, llvm)	2h 57m 46s
build (ubuntu-20.04, linux, rv64gc-lp64d, gcc)	2h 37m 34s
build (ubuntu-20.04, linux, rv64gc-lp64d, llvm)	2h 49m 20s
build (ubuntu-20.04, musl, rv64gc-lp64d, gcc)	43m 5s
build (ubuntu-22.04, newlib, rv32gc-ilp32d, gcc)	40m 37s
build (ubuntu-22.04, newlib, rv32gc-ilp32d, llvm)	49m 5s
build (ubuntu-22.04, newlib, rv64gc-lp64d, gcc)	41m 17s
build (ubuntu-22.04, newlib, rv64gc-lp64d, llvm)	25m 0s
build (ubuntu-22.04, linux, rv32gc-ilp32d, gcc)	56m 55s
build (ubuntu-22.04, linux, rv32gc-ilp32d, llvm)	1h 23m 49s
build (ubuntu-22.04, linux, rv64gc-lp64d, gcc)	55m 45s
build (ubuntu-22.04, linux, rv64gc-lp64d, llvm)	1h 17m 31s
build (ubuntu-22.04, musl, rv64gc-lp64d, gcc)	38m 16s
	1d 6h 59m 40s

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