Run devutil changelog script without needing package.json in subtrees

Author: jasonkarns

.github/workflows/release.yml

@@ -8,8 +8,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
         with: { fetch-depth: 0 }
-      - run: npm ci
-      - run: npm run -s relnotes | tee relnotes.txt
+      - run: npx -q -p @nodenv/devutil changelog | tee relnotes.txt
       - uses: jasonkarns/create-release@master
         with: { body_path: relnotes.txt }