[software] Update python requirements #1215

Job	Run time
check-opcodes	7s
riscv-isa-sim	9s
tc-llvm	4m 36s
tc-gcc	1m 34s
verilator	17s
verilator-model (minpool)	12s
verilator-model (mempool)	17s
build-apps-gcc (minpool)	41s
build-apps-gcc (mempool)	49s
check-bootrom	15s
build-apps-omp (minpool)	33s
unit-test	2m 35s
build-apps-omp (mempool)	31s
run-apps-gcc	0s
tc-halide	52s
build-apps-llvm (minpool)	1m 14s
build-apps-llvm (mempool)	1m 19s
build-apps-halide	0s
run-apps-halide	0s
run-apps-llvm	0s
clean-up	2s
clean-up-compile-runs (minpool)	1s
clean-up-compile-runs (mempool)	4s
	16m 8s

Provide feedback