fix: Update github actions due to node 16 deprecation

Author: kristianmills

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - uses: hashicorp/setup-terraform@v1
         with: