Bump mpmath from 1.3.0 to 1.4.1

Bumps [mpmath](https://github.com/mpmath/mpmath) from 1.3.0 to 1.4.1.
- [Release notes](https://github.com/mpmath/mpmath/releases)
- [Changelog](https://github.com/mpmath/mpmath/blob/1.4.1/CHANGES)
- [Commits](mpmath/mpmath@1.3.0...1.4.1)

---
updated-dependencies:
- dependency-name: mpmath
  dependency-version: 1.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]