Bump once_cell from 1.20.0 to 1.20.2

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.20.0 to 1.20.2.
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](matklad/once_cell@v1.20.0...v1.20.2)

---
updated-dependencies:
- dependency-name: once_cell
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -12,7 +12,7 @@ fs2 = "0.4.3"
 lazy_static = "1.5.0"
 log = "0.4.22"
 nix-script-directives = { path = "../nix-script-directives" }
-once_cell = "1.20.0"
+once_cell = "1.20.2"
 path-absolutize = "3.1.1"
 seahash = "4.1.0"
 serde_json = "1.0.128"