Bump cryptography from 37.0.3 to 37.0.4 (#310)

Bumps [cryptography](https://github.com/pyca/cryptography) from 37.0.3 to 37.0.4.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@37.0.3...37.0.4)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -36,5 +36,5 @@ vobject==0.9.6.1
 msglite==0.30.0
 icalendar==4.0.9
 
-cryptography==37.0.3
+cryptography==37.0.4
 requests[security]==2.28.1