build(deps): bump actions/checkout from 2 to 4 (#91)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy-cloudformation.yml

@@ -75,7 +75,7 @@ jobs:
 
     steps:
       - name: Checkout code from master branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Checkout code from another Repo
         uses: actions/checkout@v4