Bump urllib3 from 1.26.13 to 1.26.18

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.13 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@1.26.13...1.26.18)

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

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

requirements.txt

@@ -27,7 +27,7 @@ requests==2.25.1
 pandas==1.5.3
 scipy==1.10.0
 numpy==1.24.2
-urllib3==1.26.13
+urllib3==1.26.18
 #beautifulsoup4==4.11.2
 #torch==1.11.0
 obonet==0.3.1