chore(deps): update msrv to v1.72

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change	Pending
rust	minor	1.70.0 -> 1.72	1.75 (+2)
rust	minor	1.70 -> 1.72	1.75 (+2)

---

Release Notes

rust-lang/rust (rust)

### [`v1.72`](https://togithub.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1721-2023-09-19) [Compare Source](https://togithub.com/rust-lang/rust/compare/1.71.0...1.72.0) \=========================== - [Adjust codegen change to improve LLVM codegen](https://togithub.com/rust-lang/rust/pull/115236) - [rustdoc: Fix self ty params in objects with lifetimes](https://togithub.com/rust-lang/rust/pull/115276) - [Fix regression in compile times](https://togithub.com/rust-lang/rust/pull/114948) - Resolve some ICE regressions in the compiler: - [#​115215](https://togithub.com/rust-lang/rust/pull/115215) - [#​115559](https://togithub.com/rust-lang/rust/pull/115559) ### [`v1.71`](https://togithub.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1711-2023-08-03) [Compare Source](https://togithub.com/rust-lang/rust/compare/1.70.0...1.71.0) \=========================== - [Fix CVE-2023-38497: Cargo did not respect the umask when extracting dependencies](https://togithub.com/rust-lang/cargo/security/advisories/GHSA-j3xp-wfr4-hx87) - [Fix bash completion for users of Rustup](https://togithub.com/rust-lang/rust/pull/113579) - [Do not show `suspicious_double_ref_op` lint when calling `borrow()`](https://togithub.com/rust-lang/rust/pull/112517) - [Fix ICE: substitute types before checking inlining compatibility](https://togithub.com/rust-lang/rust/pull/113802) - [Fix ICE: don't use `can_eq` in `derive(..)` suggestion for missing method](https://togithub.com/rust-lang/rust/pull/111516) - [Fix building Rust 1.71.0 from the source tarball](https://togithub.com/rust-lang/rust/issues/113678)

---

Configuration

📅 Schedule: Branch creation - " *" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.