Update .github/workflows/template-validation.yaml

Co-authored-by: Derek Keeler <[email protected]>

Author: 2 people

.github/workflows/template-validation.yaml

@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps: 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Java version
         uses: actions/setup-java@v2