build(deps): bump cryptography from 41.0.2 to 41.0.3 in /.kokoro (#2835)

* build(deps): bump cryptography from 41.0.2 to 41.0.3 in /.kokoro

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.2 to 41.0.3.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.2...41.0.3)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: indirect
...

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Author: 3 people