Bump urllib3 from 1.26.4 to 1.26.5 in /pyperformance (#103)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.4 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.4...1.26.5)

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

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

Author: dependabot[bot]

pyperformance/requirements.txt

@@ -42,7 +42,7 @@ sympy==1.8
     # via -r requirements.in
 tornado==6.1
     # via -r requirements.in
-urllib3==1.26.4
+urllib3==1.26.5
     # via dulwich
 webencodings==0.5.1
     # via html5lib