fixed id to get artifact

Author: kenvandine

.github/workflows/snap-publish.yaml

@@ -14,7 +14,7 @@ jobs:
         fetch-depth: 0
         fetch-tags: true
     - uses: canonical/action-build@v1.3.0
-      id: snapcraft
+      id: build
     - uses: snapcore/action-publish@v1
       env:
         SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}