Updated to rust 2024, compiler to 1.85, cleaned up clippy reports and format changes

• Please check this box if this contribution uses AI-generated content (including content generated by GitLab Duo features) as outlined in the GitLab DCO & CLA. As a benefit of being a GitLab Community Contributor, you receive complimentary access to GitLab Duo.

What does this MR do and why?

Update the language to the 2024 version of Rust. Update the compiler to v1.85 of the compiler Update various documentation and support files to reflect this. Made a change to context.rs suggested by clippy Let cargo fmt make changes to formatting.

How to set up and validate locally

The only functional code change occurred in transformer/context.rs in extract_context for source contexts.