crypto: support non-byte WebCrypto lengths and cSHAKE #8121

Job	Run time
Build slim tarball	1m 11s
aarch64-linux: Cache V8 build	30s
x86_64-darwin: with shared libraries	41m 8s
aarch64-darwin: with shared libraries	26m 56s
x86_64-linux: with shared libraries	31m 20s
aarch64-linux: with shared openssl-3.6.2	24m 3s
aarch64-linux: with shared openssl-3.0.20	24m 57s
aarch64-linux: with shared openssl-1.1.1w	23m 37s
aarch64-linux: with shared openssl-3.5.6	24m 1s
aarch64-linux: with shared boringssl-0.20260526.0	24m 23s
aarch64-linux: with shared openssl-4.0.0	23m 53s
	4h 5m 59s

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