Bump urllib3 from 2.0.4 to 2.0.6 in /etc/requirements_dependabot

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.0.4 to 2.0.6.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.0.4...2.0.6)

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

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

etc/requirements_dependabot/requirements_tests.txt

@@ -194,7 +194,7 @@ tzdata==2023.3
     #   market-analy (pyproject.toml)
     #   market-prices
     #   pandas
-urllib3==2.0.4
+urllib3==2.0.6
     # via requests
 valimp==0.1
     # via market-prices