Bump ecdsa from 0.19.1 to 0.19.2

Bumps [ecdsa](https://github.com/tlsfuzzer/python-ecdsa) from 0.19.1 to 0.19.2.
- [Release notes](https://github.com/tlsfuzzer/python-ecdsa/releases)
- [Changelog](https://github.com/tlsfuzzer/python-ecdsa/blob/master/NEWS)
- [Commits](tlsfuzzer/python-ecdsa@python-ecdsa-0.19.1...python-ecdsa-0.19.2)

---
updated-dependencies:
- dependency-name: ecdsa
  dependency-version: 0.19.2
  dependency-type: indirect
...

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Author: dependabot[bot]