Update parking_lot requirement from 0.11.1 to 0.12.0

Updates the requirements on [parking_lot](https://github.com/Amanieu/parking_lot) to permit the latest version.
- [Release notes](https://github.com/Amanieu/parking_lot/releases)
- [Changelog](https://github.com/Amanieu/parking_lot/blob/master/CHANGELOG.md)
- [Commits](Amanieu/parking_lot@0.11.1...0.12.0)

---
updated-dependencies:
- dependency-name: parking_lot
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.toml

@@ -51,7 +51,7 @@ libc = "0.2.96"
 zstd = { version = "0.10.0", optional = true }
 crc32fast = "1.2.1"
 log = "0.4.14"
-parking_lot = "0.11.1"
+parking_lot = "0.12.0"
 color-backtrace = { version = "0.5.1", optional = true }
 num-format = { version = "0.4.0", optional = true }
 rio = { version = "0.9.4", optional = true }