build(deps): bump urllib3 from 1.26.15 to 1.26.18 in /superset (#2807)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.15 to 1.26.18.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.15...1.26.18)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
...

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

superset/requirements.txt

@@ -34,7 +34,7 @@ cachelib==0.4.1
     # via apache-superset
 celery==5.2.7
     # via apache-superset
-certifi==2023.07.22
+certifi==2023.7.22
     # via sentry-sdk
 cffi==1.14.0
     # via
@@ -65,7 +65,7 @@ cron-descriptor==1.2.24
     # via apache-superset
 croniter==1.0.13
     # via apache-superset
-cryptography==41.0.3
+cryptography==39.0.2
     # via
     #   apache-superset
     #   paramiko
@@ -311,7 +311,7 @@ typing-extensions==4.5.0
     #   apache-superset
     #   flask-limiter
     #   limits
-urllib3==1.26.15
+urllib3==1.26.18
     # via
     #   selenium
     #   sentry-sdk