build(deps): bump urllib3 from 1.26.6 to 1.26.7

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.6 to 1.26.7.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.6...1.26.7)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -16,7 +16,7 @@ psutil == 5.8.0
 py-irclib == 0.3.0
 requests == 2.26.0
 tweepy == 3.10.0
-urllib3 == 1.26.6
+urllib3 == 1.26.7
 venusian == 3.0.0
 watchdog == 2.1.5
 yarl == 1.7.0