dependabot(python-pip): bump urllib3 from 1.26.15 to 2.1.0

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.15 to 2.1.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.15...2.1.0)

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

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

src/requirements.txt

@@ -1,4 +1,4 @@
 requests==2.31.0
 kubernetes==27.2.0
 py-zabbix==1.1.7
-urllib3==1.26.15
+urllib3==2.1.0