Bump once_cell from 1.12.0 to 1.13.0

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.12.0 to 1.13.0.
- [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/v1.12.0...v1.13.0)

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

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

Cargo.lock

@@ -1368,9 +1368,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.12.0"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
 
 [[package]]
 name = "opaque-debug"

Cargo.toml

@@ -13,7 +13,7 @@ diesel = { version = "1.4.6", features = ["chrono"] }
 diesel_migrations = "1.4.0"
 itertools = "0.10.1"
 log = "0.4.14"
-once_cell = "1.8.0"
+once_cell = "1.13.0"
 prometheus = { version = "0.13.1", features = ["process"], default-features = false }
 pulldown-cmark = { version = "0.9.1", default-features = false }
 rand = "0.8.3"