Bump responses from 0.10.8 to 0.10.9 (#1191)

Bumps [responses](https://github.com/getsentry/responses) from 0.10.8 to 0.10.9.
- [Release notes](https://github.com/getsentry/responses/releases)
- [Changelog](https://github.com/getsentry/responses/blob/master/CHANGES)
- [Commits](https://github.com/getsentry/responses/compare/0.10.8...0.10.9)

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

test-requirements.txt

@@ -4,4 +4,4 @@ pre-commit==1.20.0
 pytest==5.3.2
 pytest-cov==2.8.1
 pytest-responses==0.4.0
-responses==0.10.8
+responses==0.10.9