Bump pyrsistent from 0.18.1 to 0.19.2

Bumps [pyrsistent](https://github.com/tobgu/pyrsistent) from 0.18.1 to 0.19.2.
- [Release notes](https://github.com/tobgu/pyrsistent/releases)
- [Changelog](https://github.com/tobgu/pyrsistent/blob/master/CHANGES.txt)
- [Commits](https://github.com/tobgu/pyrsistent/commits)

---
updated-dependencies:
- dependency-name: pyrsistent
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]