fix: add --pnpm flag to pkg-pr-new publish command in nightly workflow (#755)

Co-authored-by: Damian Głowala <dglowala@lottomerkury.pl>

Author: DamianGlowala

.github/workflows/nightly.yml

@@ -30,4 +30,4 @@ jobs:
       - run: pnpm build
 
       - name: Publish
-        run: pnpm dlx pkg-pr-new publish ./packages/script
+        run: pnpx pkg-pr-new publish --pnpm ./packages/script