fix: use artifact to store built snap

.github/workflows/build-lint-test.yml

@@ -41,6 +41,11 @@ jobs:
             echo "Working tree dirty at end of job"
             exit 1
           fi
+      - name: Save built snap bundle to artifacts
+        uses: actions/upload-artifact@v4
+        with:
+            name: snap-bundle
+            path: dist/bundle.js
 
   lint:
     name: Lint
@@ -89,13 +94,17 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: 'yarn'
       - run: yarn --immutable --immutable-cache
-      - run: yarn build
+      - name: Download built snap bundle
+        uses: actions/download-artifact@v4
+        with:
+          name: snap-bundle
+          path: dist/bundle.js
       - run: yarn test
       - name: Require clean working directory
         shell: bash
         run: |
           if ! git diff --exit-code; then
             echo "Working tree dirty at end of job"
             exit 1
-          fi
+          fi