fix: trigger npm publish when release-please creates a release (#31)

GITHUB_TOKEN events don't trigger other workflows, so release:published
never fired. Now release-please directly calls the publish workflow.

Author: nicknisi

.github/workflows/release-please.yml

@@ -8,6 +8,7 @@ on:
 permissions:
   contents: write
   pull-requests: write
+  id-token: write
 
 jobs:
   release-please:
@@ -20,3 +21,8 @@ jobs:
         id: release
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+
+  publish:
+    needs: release-please
+    if: ${{ needs.release-please.outputs.release_created == 'true' }}
+    uses: ./.github/workflows/release.yml