Use Snapcraft from latest/beta

Author: farshidtz

.github/workflows/build-and-test-snap.yml

@@ -23,6 +23,8 @@ jobs:
 
       - name: Build snap
         uses: snapcore/action-build@v1
+        with:
+          snapcraft-channel: latest/beta
         id: snapcraft
 
       - name: Upload artifact