Update dependencies, bump to 0.10.0, fill in contributor docs

[markgoddard]

• Update MSRV to 1.78
• Clippy says use clone_from
• Clippy says to drop the target from links where the label is the same
• Clippy says to use a slice rather than a Vec
• Update AWS SDK versions to latest
• docs: Add info on updating the MSRV
• Bump clap to 4.5
• Bump hashbrown to 0.14.5
• Bump http to 1.1.0
• Bump lazy_static to 1.5
• Bump version to 0.10.0
• docs: Add section on creating a new release to the contributor guide.

[markgoddard]

Thanks for fixing!