build(deps): bump nix from 0.26.4 to 0.29.0 #1344

Job	Run time
Clippy	31s
Rustfmt	25s
Check dependencies for security issues	22s
Test on rust nightly (keys )	29s
Test on rust stable (keys )	32s
Check dependencies for licenses	1m 0s
Test on rust 1.81 (keys )	30s
	3m 49s

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