Bump urllib3 from 1.26.14 to 1.26.15 in /perf-tests (#3639)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.14 to 1.26.15.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.14...1.26.15)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

perf-tests/requirements.txt

@@ -7,4 +7,4 @@ pytest-html==3.2.0
 pytest-repeat==0.9.1
 PyYAML==6.0
 requests==2.28.2
-urllib3==1.26.14
+urllib3==1.26.15