build: updated pnpm in ci

Author: matteobruni

Diff for: .github/workflows/nodejs.yml

@@ -33,7 +33,7 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 7
+          version: 8
           run_install: false
       - name: Get pnpm version
         id: pnpm-version