feat: add typescript types to package (#546)

Author: lukasholzer

.github/workflows/release-please.yml

@@ -26,6 +26,8 @@ jobs:
           check-latest: true
           registry-url: 'https://registry.npmjs.org'
         if: ${{ steps.release.outputs.release_created }}
+      - run: npm ci
+        if: ${{ steps.release.outputs.release_created }}
       - run: npm publish
         if: ${{ steps.release.outputs.release_created }}
         env: