Update parking_lot (#252)

* Update parking_lot

* Update min supported rust version for parking_lot

* Update docs on min supported rust

.github/workflows/main.yml

@@ -37,7 +37,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        rust_versions: ["stable", "1.46"]
+        rust_versions: ["stable", "1.49"]
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout the source code
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust_versions: ["stable", "1.46"]
+        rust_versions: ["stable", "1.49"]
     steps:
       - name: Checkout the source code
         uses: actions/checkout@master

Cargo.toml

@@ -67,7 +67,7 @@ typemap = { version = "0.3", optional = true }
 serde_json = { version = "1.0", optional = true }
 serde_yaml = { version = "0.8.4", optional = true }
 toml = { version = "0.5", optional = true }
-parking_lot = { version = "0.11.0", optional = true }
+parking_lot = { version = "0.12.0", optional = true }
 thiserror = "1.0.15"
 anyhow = "1.0.28"
 derivative = "2.1.1"

README.md

@@ -4,7 +4,7 @@
 [![crates.io](https://img.shields.io/crates/v/log4rs.svg)](https://crates.io/crates/log4rs)
 [![License: MIT OR Apache-2.0](https://img.shields.io/crates/l/clippy.svg)](#license)
 ![CI](https://github.com/estk/log4rs/workflows/CI/badge.svg)
-[![Minimum rustc version](https://img.shields.io/badge/rustc-1.38+-green.svg)](https://github.com/estk/log4rs#rust-version-requirements)
+[![Minimum rustc version](https://img.shields.io/badge/rustc-1.49+-green.svg)](https://github.com/estk/log4rs#rust-version-requirements)
 
 log4rs is a highly configurable logging framework modeled after Java's Logback
 and log4j libraries.