Update actions/upload-artifact@v5 -> v6

Update actions/upload-artifact@v4 -> v5

Raise required compiler to Rust 1.68

Switch clippy suppression to tool attrs

Raise required compiler to Rust 1.31

Update actions/checkout@v5 -> v6

Opt in to generate-macro-expansion when building on docs.rs

Update actions/checkout@v4 -> v5

Release 1.0.9

Merge pull request #2 from dtolnay/filelock

Use standard library file lock API

Release 1.0.8

Point standard library links to stable

Unset doc-scrape-examples for lib target

More precise gitignore patterns