Use std atomics (#276) #581

Job	Run time
Build (ubuntu, x64, openssl, static)	8m 55s
Build (ubuntu, x64, openssl, shared)	1m 50s
Build (ubuntu, arm64, openssl, static)	14m 2s
Build (ubuntu, arm64, openssl, shared)	7m 26s
Build (windows, x86, schannel, static)	10m 53s
Build (windows, x86, schannel, shared)	3m 55s
Build (windows, x86, openssl, static)	4m 57s
Build (windows, x86, openssl, shared)	20m 51s
Build (windows, x64, schannel, static)	20m 55s
Build (windows, x64, schannel, shared)	3m 52s
Build (windows, x64, openssl, static)	4m 38s
Build (windows, x64, openssl, shared)	16m 52s
Build (windows, arm64, schannel, static)	19m 0s
Build (windows, arm64, schannel, shared)	3m 56s
Build (windows, arm64, openssl, static)	10m 13s
Build (windows, arm64, openssl, shared)	16m 47s
	2h 49m 2s

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