fix: include dev dependencies in npm ci command (#33)

Author: dominicbirch

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
           registry-url: https://registry.npmjs.org/
           node-version: latest
           cache: npm
-      - run: npm ci
+      - run: npm ci --include=dev
       - run: npm publish
         if: ${{ !github.event.release.prerelease }}
         env: