chore(project): migrate to Rust 2024 edition

[orhun]

Description

Migrates the codebase to Rust 2024 edition, see https://blog.rust-lang.org/2025/02/20/Rust-1.85.0/

MSRV is now 1.85.0

Motivation and Context

I'm always on the edge.

How Has This Been Tested?

Locally.

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 40.13%. Comparing base (4a3c0c0) to head (d00ae09).
⚠️ Report is 163 commits behind head on main.

Files with missing lines	Patch %	Lines
git-cliff/src/main.rs	0.00%	3 Missing ⚠️
git-cliff/src/lib.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1128      +/-   ##
==========================================
- Coverage   40.29%   40.13%   -0.15%     
==========================================
  Files          21       21              
  Lines        1894     1899       +5     
==========================================
- Hits          763      762       -1     
- Misses       1131     1137       +6     

Flag	Coverage Δ
unit-tests	40.13% <20.00%> (-0.15%)	⬇️

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