build: bump once_cell from 1.10.0 to 1.12.0 (#4013)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.10.0 to 1.12.0.
- [Release notes](https://github.com/matklad/once_cell/releases)
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](https://github.com/matklad/once_cell/compare/v1.10.0...v1.12.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -1245,9 +1245,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.10.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
 [[package]]
 name = "opaque-debug"

Cargo.toml

@@ -50,7 +50,7 @@ log = { version = "0.4.16", features = ["std"] }
 # nofity-rust is optional (on by default) because the crate doesn't currently build for darwin with nix
 # see: https://github.com/NixOS/nixpkgs/issues/160876
 notify-rust = { version = "4.5.8", optional = true }
-once_cell = "1.10.0"
+once_cell = "1.12.0"
 open = "2.1.2"
 os_info = "3.3.0"
 path-slash = "0.1.4"