#21

ci.yml: Switch back to ubuntu-latest

ci.yml: Set RUSTDOCFLAGS to statically link doctests

src/ext.rs: Fix parsing of nanoseconds in timestamps

Update all dependencies

Fix Rust 1.83 clippy warnings

Update Rust dependencies

Expose Rust 1.83's newly stabilized io::ErrorKinds

Set Windows code page to UTF-8 to support Unicode paths

Update dependencies