Bump urllib3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.17 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@1.26.17...1.26.18)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

security/security-design/shared-assets/oci-security-health-check-standard/files/oci-security-health-check-standard/requirements.txt

@@ -1,4 +1,4 @@
-urllib3==1.26.17
+urllib3==1.26.18
 xlsxwriter>=3.0.3
 pandas>=1.5.2
 openpyxl>=3.0.10