- requirements-db: Move typing-extension from test to runtime deps
- api.tests: Fix unsupported matches keyword to match [2]
Not necessarily for review, just making sure tox is happy
[1] https://jenkins.softwareheritage.org/view/Debian%20packages/job/debian/job/packages/job/DCORE/job/gbp-buildpackage/117/console
[2] current debian build in failure with P719