chore: roll back pnpm/action-setup action to v3.0.0

Author: renovate[bot]

.github/actions/install/action.yml

@@ -3,7 +3,7 @@ runs:
   using: composite
   steps:
     - name: Install pnpm
-      uses: pnpm/action-setup@v3
+      uses: pnpm/action-setup@v3.0.0
       with:
         version: 8