Sem-ver: bugfix Have mypy install stubs as part of ci

Signed-off-by: David Black <[email protected]>

Author: dbaxa

.github/workflows/build.yml

@@ -24,6 +24,7 @@ jobs:
       run: |
         ruff check .
         ruff format --check .
+        mypy --install-types
         mypy .
     - name: Test
       run: |