tools: implements a few nits on `build-aarch64-linux-v8` #6352

Job	Run time
Build slim tarball	1m 47s
aarch64-linux: Cache V8 build	21s
aarch64-darwin: with shared libraries	28m 0s
x86_64-linux: with shared libraries	29m 58s
x86_64-darwin: with shared libraries	2h 58m 30s
aarch64-linux: with shared openssl-3.5.5	26m 25s
aarch64-linux: with shared openssl-3.0.19	24m 50s
aarch64-linux: with shared openssl-3.6.1	25m 48s
aarch64-linux: with shared openssl-1.1.1w	25m 10s
aarch64-linux: with shared openssl-4.0.0	25m 5s
	6h 5m 54s

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