Trying to get gitversion to do what I want

.github/GitVersion.yml

@@ -0,0 +1,5 @@
+branches: 
+  master:
+    tag: ''
+  v2_develop:
+    tag: 'alpha'

.github/workflows/publish.yml

@@ -22,6 +22,8 @@ jobs:
 
     - name: Determine Version
       uses: gittools/actions/gitversion/execute@v0
+      with:
+        useConfigFile: true      
       id: gitversion # step id used as reference for output values
 
     - name: Display GitVersion outputs