Bump parking_lot from 0.12.0 to 0.12.1 (#12098)

Bumps [parking_lot](https://github.com/Amanieu/parking_lot) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/Amanieu/parking_lot/releases)
- [Changelog](https://github.com/Amanieu/parking_lot/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Amanieu/parking_lot/compare/0.12.0...0.12.1)

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

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

substrate/client/service/Cargo.toml

@@ -26,7 +26,7 @@ jsonrpsee = { version = "0.15.1", features = ["server"] }
 thiserror = "1.0.30"
 futures = "0.3.21"
 rand = "0.7.3"
-parking_lot = "0.12.0"
+parking_lot = "0.12.1"
 log = "0.4.17"
 futures-timer = "3.0.1"
 exit-future = "0.2.0"

substrate/client/service/test/Cargo.toml

@@ -18,7 +18,7 @@ hex = "0.4"
 hex-literal = "0.3.4"
 log = "0.4.17"
 parity-scale-codec = "3.0.0"
-parking_lot = "0.12.0"
+parking_lot = "0.12.1"
 tempfile = "3.1.0"
 tokio = { version = "1.17.0", features = ["time"] }
 sc-block-builder = { version = "0.10.0-dev", path = "../../block-builder" }