Bump MSRV to 1.62

Author: djc

.github/workflows/test.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.61.0"
+          toolchain: "1.62.0"
       - uses: Swatinem/rust-cache@v2
       # run --lib and --doc to avoid the long running integration tests
       # which are run elsewhere

Cargo.toml

@@ -11,7 +11,7 @@ readme = "README.md"
 license = "MIT OR Apache-2.0"
 include = ["src/*", "tests/*.rs", "LICENSE.txt", "CITATION.cff"]
 edition = "2021"
-rust-version = "1.61.0"
+rust-version = "1.62.0"
 
 [lib]
 name = "chrono"