build(deps): bump urllib3 from 1.25.6 to 1.25.8 in /aosa-report

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.6 to 1.25.8.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.25.6...1.25.8)

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

Author: dependabot[bot]

Diff for: aosa-report/requirements.txt

@@ -3,6 +3,6 @@ chardet==3.0.4
 idna==2.8
 requests==2.22.0
 six==1.12.0
-urllib3==1.25.6
+urllib3==1.25.8
 webencodings==0.5.1
 PyGithub==1.44