Bump urllib3 in /pyperformance/data-files/benchmarks/bm_dulwich_log

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.5 to 1.26.19.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.5...1.26.19)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 1.26.19
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyperformance/data-files/benchmarks/bm_dulwich_log/requirements.txt

@@ -1,3 +1,3 @@
 certifi==2021.5.30
 dulwich==0.20.23
-urllib3==1.26.5
+urllib3==1.26.19