chore(deps): bump flake-utils from 11707dc to b7a79d3 in /nix

Bumps [flake-utils](https://github.com/numtide/flake-utils) from `11707dc` to `b7a79d3`.
- [Release notes](https://github.com/numtide/flake-utils/releases)
- [Commits](https://github.com/numtide/flake-utils/compare/11707dc2f618dd54ca8739b309ec4fc024de578b...b7a79d3fea1e214f6d668d521cecec0c01e26544)

---
updated-dependencies:
- dependency-name: flake-utils
  dependency-version: b7a79d3fea1e214f6d668d521cecec0c01e26544
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

nix/flake.lock

@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "lastModified": 1791914995,
+        "narHash": "sha256-Zf/xfQEAasnwnmEfHqW/4hjDE/s44yn2hD4RuVIZRjA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "rev": "b7a79d3fea1e214f6d668d521cecec0c01e26544",
         "type": "github"
       },
       "original": {