Update setuptools-rust requirement from ~=0.12.1 to ~=1.6.0

Updates the requirements on [setuptools-rust](https://github.com/PyO3/setuptools-rust) to permit the latest version.
- [Release notes](https://github.com/PyO3/setuptools-rust/releases)
- [Changelog](https://github.com/PyO3/setuptools-rust/blob/main/CHANGELOG.md)
- [Commits](PyO3/setuptools-rust@v0.12.1...v1.6.0)

---
updated-dependencies:
- dependency-name: setuptools-rust
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -14,7 +14,7 @@ test = [
   "mypy ~= 1.1",
   "pylint ~= 2.17.0",
   "pytest ~= 7.3.0",
-  "setuptools-rust ~= 0.12.1",
+  "setuptools-rust ~= 1.6.0",
   "psutil ~= 5.9.3",
   "py2many >=0.3",
   "types-requests ~= 2.31.0",