Bump MSRV to 1.53.0 and re-enable macos MSRV check

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

Author: NobodyXu

.github/workflows/main.yml

@@ -116,14 +116,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
     - uses: actions/checkout@v4
     - name: Install Rust
       run: |
-        rustup toolchain install 1.46.0 --no-self-update --profile minimal
+        rustup toolchain install 1.53.0 --no-self-update --profile minimal
         rustup toolchain install nightly --no-self-update --profile minimal
-        rustup default 1.46.0
+        rustup default 1.53.0
       shell: bash
     - name: Create Cargo.lock with minimal version
       run: cargo +nightly update -Zminimal-versions

Cargo.toml

@@ -16,6 +16,7 @@ readme = "README.md"
 categories = ["development-tools::build-utils"]
 exclude = ["/.github"]
 edition = "2018"
+rust-version = "1.53"
 
 [dependencies]
 jobserver = { version = "0.1.16", optional = true }