update workflows to node20

.github/workflows/cache-windows-test.yml

@@ -23,10 +23,10 @@ jobs:
       run: |
         rm "C:\Program Files\Git\usr\bin\tar.exe"
 
-    - name: Set Node.js 16.x
+    - name: Set Node.js 20.x
       uses: actions/setup-node@v1
       with:
-        node-version: 16.x
+        node-version: 20.x
 
     # In order to save & restore cache from a shell script, certain env variables need to be set that are only available in the
     # node context. This runs a local action that gets and sets the necessary env variables that are needed