Restore test target, which will still install deps

Author: stevepiercy

.github/workflows/test.yml

@@ -31,6 +31,6 @@ jobs:
             filename=`basename "$fname"`
             cp "${dirname}/$filename" "./styles/Microsoft"
           done
-          make deps
+          make test
           VALEFILES=$(find -L ./docs/ -type d \( -path "./docs/plone.restapi/lib/*" -o -path "./docs/plone.restapi/performance/*" \) -prune -false -o -type f -name "*.md" -print)
           make vale $VALEFILES