chore(deps): update msrv to v1.72

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change	Pending
rust	minor	1.70 -> 1.72	1.74 (+1)

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Release Notes

rust-lang/rust (rust)

v1.72

Compare Source

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

• Adjust codegen change to improve LLVM codegen
• rustdoc: Fix self ty params in objects with lifetimes
• Fix regression in compile times
• Resolve some ICE regressions in the compiler:
  • #​115215
  • #​115559

v1.71

Compare Source

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

• Fix CVE-2023-38497: Cargo did not respect the umask when extracting dependencies
• Fix bash completion for users of Rustup
• Do not show suspicious_double_ref_op lint when calling borrow()
• Fix ICE: substitute types before checking inlining compatibility
• Fix ICE: don't use can_eq in derive(..) suggestion for missing method
• Fix building Rust 1.71.0 from the source tarball

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