chore: update release sdk to npm instead of pnpm

Signed-off-by: Tomas Weiss <tomas.weiss2@gmail.com>

Author: tomkis

.github/workflows/release.yml

@@ -154,4 +154,4 @@ jobs:
 
       - name: Publish TS SDK
         working-directory: apps/agentstack-sdk-ts
-        run: pnpm publish --access public --no-git-checks
+        run: npm publish