tools: update nixpkgs-unstable to 01fbdeef22b76df85ea168fbfe1bfd9e636 #6078

Job	Run time
collect-openssl-versions	8s
Build slim tarball	5m 19s
aarch64-linux: Cache V8 build	1h 8m 29s
x86_64-linux: with shared libraries	1h 57m 44s
aarch64-darwin: with shared libraries	1h 58m 35s
x86_64-darwin: with shared libraries	4h 17m 38s
aarch64-linux: with shared openssl_3_6 (3.6.1)	21m 37s
aarch64-linux: with shared openssl_1_1 (1.1.1w)	22m 28s
aarch64-linux: with shared openssl_3_5 (3.5.5)	20m 53s
aarch64-linux: with shared openssl_4_0 (4.0.0)	21m 12s
aarch64-linux: with shared openssl_3 (3.0.19)	21m 35s
	11h 15m 38s

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