Bump mypy from 0.961 to 0.971 in /results-processor (#2925)

Bumps [mypy](https://github.com/python/mypy) from 0.961 to 0.971.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.961...v0.971)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

results-processor/requirements.txt

@@ -67,7 +67,7 @@ markupsafe==2.1.0
     # via jinja2
 mccabe==0.6.1
     # via flake8
-mypy==0.961
+mypy==0.971
     # via -r requirements.in
 mypy-extensions==0.4.3
     # via mypy