Update CI workflow to use latest versions of checkout and setup-node actions

Author: mitchspano

.github/workflows/CI.yml

@@ -11,14 +11,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.ref }}
           fetch-depth: 0
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v6
         with:
-          node-version: ">=14"
           check-latest: true
 
       - name: Install Salesforce CLI + Scanner