Bump cryptography from 42.0.2 to 42.0.4 in /webapp/python_sanic

Bumps [cryptography](https://github.com/pyca/cryptography) from 42.0.2 to 42.0.4.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@42.0.2...42.0.4)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
...

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

webapp/python_sanic/requirements.txt

@@ -2,7 +2,7 @@ aiofiles==0.4.0
 aiomysql==0.0.19
 asn1crypto==0.24.0
 cffi==1.11.5
-cryptography==42.0.2
+cryptography==42.0.4
 httptools==0.0.11
 idna==2.7
 Jinja2==3.1.3