build: bump once_cell from 1.7.2 to 1.8.0 (#2799)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.7.2 to 1.8.0.
- [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/v1.7.2...v1.8.0)

---
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

@@ -1030,9 +1030,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.7.2"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
+checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "opaque-debug"

Cargo.toml

@@ -45,7 +45,7 @@ battery = { version = "0.7.8", optional = true }
 path-slash = "0.1.4"
 unicode-segmentation = "1.7.1"
 gethostname = "0.2.1"
-once_cell = "1.7.2"
+once_cell = "1.8.0"
 chrono = "0.4.19"
 sys-info = "0.9.0"
 byte-unit = "4.0.12"