feat(rust): Update Rust version and revision

[stanislav-tkach]

Description

• Update Rust edition to 2024.
• Update Rust version to 1.85.
• Enable the Clippy's allow-indexing-slicing-in-tests option.
• Update cargo-deny version to support the 2024 edition.

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[stanislav-tkach]

it seems that the official 1.85 docker image isn't published yet.

[stevenj]

No further work on this PR is to be conducted until its been prioritized through the proper processes.