Bump cryptography from 44.0.1 to 46.0.6 in /tfx/tools/docker

Bumps [cryptography](https://github.com/pyca/cryptography) from 44.0.1 to 46.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@44.0.1...46.0.6)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 46.0.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

tfx/tools/docker/requirements.txt

@@ -49,7 +49,7 @@ cramjam==2.8.4
 crcmod==1.7
 cron-descriptor==1.4.5
 croniter==3.0.3
-cryptography==44.0.1
+cryptography==46.0.6
 Cython==3.0.11
 debugpy==1.8.7
 decorator==5.1.1