Try updating checkout actions from v2 to v4

Author: grantcopley

.github/workflows/ci.yml

@@ -135,7 +135,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup CommandBox
         uses: elpete/[email protected]
@@ -166,7 +166,7 @@ jobs:
     needs: tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: Ortus-Solutions/commandbox-action@v1
         env:
           box_config_endpoints_forgebox_APIToken: ${{ secrets.FORGEBOX_TOKEN }}