fix: align pnpm version in CI with package.json (8.15.0)

Author: carlosdenner

.github/workflows/deploy.yml

@@ -12,7 +12,7 @@ jobs:
 
       - uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: 8
 
       - uses: actions/setup-node@v4
         with: