Try bumping everything and reordering node/pnpm

Author: omnibs

.github/workflows/CI.yml

@@ -13,13 +13,13 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - uses: pnpm/[email protected]
-      with:
-        version: ^6.10
     - uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: 20
         cache: 'pnpm'
+    - uses: pnpm/action-setup@v4
+      with:
+        version: 8
     - run: pnpm install
     - run: pnpm run postinstall
     - run: pnpm test