fix ci

Author: samuelcolvin

.github/workflows/ci.yml

@@ -91,7 +91,7 @@ jobs:
           python-version: '3.10'
 
       - name: install
-        run: pip install -U build
+        run: pip install -U build twine
 
       - name: check GITHUB_REF matches package version
         uses: samuelcolvin/[email protected]