Setup-Node: Update all workflows to use Setup-Node V4

* Switch default node version to 20
* Update version set to 18.x, 20.x, 22.x

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

.github/workflows/sync-ghes.yaml

@@ -15,9 +15,9 @@ jobs:
         git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
         git config user.email "cschleiden@github.com"
         git config user.name "GitHub Actions"
-    - uses: actions/setup-node@v3
+    - uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: '20'
         cache: 'npm'
         cache-dependency-path: script/sync-ghes/package-lock.json
     - name: Check starter workflows for GHES compat

.github/workflows/validate-data.yaml

@@ -12,9 +12,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '20'
           cache: 'npm'
           cache-dependency-path: script/validate-data/package-lock.json