nix: Bump flake to get Rust 1.85 (#26076)

old nixpkgs versions didn't have rust 1.85 and nix develop failed (1.85
is specified in rust-toolchain.toml).

ran `nix flake update` to bump the flake dependencies. it now works

Release Notes:

- N/A
d9d3b8847bmaan2003 committed on 3/5/2025, 3:18:40 AM· committed by GitHubparentd7b90f4
1 file changedLine totals unavailable