Update Rust to v1.84.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rust		patch	1.84.0 -> 1.84.1
rust	final	patch	1.84.0 -> 1.84.1

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Release Notes

rust-lang/rust (rust)

v1.84.1

Compare Source

==========================

• Fix ICE 132920 in duplicate-crate diagnostics.
• Fix errors for overlapping impls in incremental rebuilds.
• Fix slow compilation related to the next-generation trait solver.
• Fix debuginfo when LLVM's location discriminator value limit is exceeded.
• Fixes for building Rust from source:
  • Only try to distribute llvm-objcopy if llvm tools are enabled.
  • Add Profile Override for Non-Git Sources.
  • Resolve symlinks of LLVM tool binaries before copying them.
  • Make it possible to use ci-rustc on tarball sources.

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