Update publish.yml

Author: ParticulaCode

.github/workflows/publish.yml

@@ -23,6 +23,10 @@ jobs:
           run: |
               python -m pip install flit
 
+        - name: Build Flit
+          run: |
+              python -m flit build
+
         - name: Publish
           env:
             FLIT_USERNAME: __token__