Bump weka-dev from 3.9.3 to 3.9.4
Bump weka-dev from 3.9.3 to 3.9.4

Bumps weka-dev from 3.9.3 to 3.9.4.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
optimatika/ojAlgo-extensions