build: bump once_cell from 1.14.0 to 1.15.0 (#4391)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.14.0 to 1.15.0.
- [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/v1.14.0...v1.15.0)

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

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

Cargo.lock

@@ -1916,9 +1916,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.14.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7254b99e31cad77da24b08ebf628882739a608578bb1bcdfc1f9c21260d7c0"
+checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "opaque-debug"

Cargo.toml

@@ -51,7 +51,7 @@ log = { version = "0.4.16", features = ["std"] }
 # see: https://github.com/NixOS/nixpkgs/issues/160876
 notify-rust = { version = "4.5.9", optional = true }
 nu-ansi-term = "0.46.0"
-once_cell = "1.14.0"
+once_cell = "1.15.0"
 open = "3.0.3"
 os_info = "3.5.1"
 path-slash = "0.2.1"