Bump cryptography from 2.9.2 to 42.0.2 in /requirements

Bumps [cryptography](https://github.com/pyca/cryptography) from 2.9.2 to 42.0.2.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@2.9.2...42.0.2)

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

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

requirements/test.txt

@@ -18,7 +18,7 @@ cffi==1.14.0              # via cryptography
 cfn-lint==0.32.1          # via moto
 chardet==3.0.4            # via -r requirements/base.txt, requests
 coverage==5.1             # via -r requirements/test.in, pytest-cov
-cryptography==2.9.2       # via moto, sshpubkeys
+cryptography==42.0.2       # via moto, sshpubkeys
 ddt==1.0.0                # via -c requirements/constraints.txt, -r requirements/test.in
 decorator==4.4.2          # via networkx
 defusedxml==0.6.0         # via -r requirements/base.txt