Bump cryptography from 38.0.1 to 43.0.1 in /custom-nb-image/requirements

Bumps [cryptography](https://github.com/pyca/cryptography) from 38.0.1 to 43.0.1.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@38.0.1...43.0.1)

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

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

custom-nb-image/requirements/requirements.txt

@@ -37,7 +37,7 @@ codeflare==0.1.2.dev0
 colorama==0.4.5; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 colorful==0.5.4
 contourpy==1.0.5; python_version >= '3.7'
-cryptography==38.0.1; python_version >= '3.6'
+cryptography==43.0.1; python_version >= '3.6'
 cycler==0.11.0; python_version >= '3.6'
 cython==0.29.32
 dask[array,dataframe]==2021.2.0