Update actions/setup-node action to v3 (#4)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
           ruby-version: ${{ matrix.ruby-version }}
 
       - name: Set up Node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: 14.17.6