Release 1.11.2: Bugfix Release

This release mainly drops the requirement on retworkx and uses the (newly renamed) rustworkx library.
This follows suit with the recent QCEC release and, in combination, allows to use the most recent version of Qiskit in combination with both tools.

What's Changed

• ⬆️🪝 update pre-commit hooks by @pre-commit-ci in #166
• Bump extern/qfr from 78a3608 to 64aa806 by @dependabot in #167
• ⬆️ Replace retworkx with rustworkx by @dependabot in #164

Full Changelog: v1.11.1...v1.11.2