chore(deps): update gruntwork-io/terragrunt-action action to v3

Author: renovate[bot]

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
           role-session-name: ci-${{ github.ref_name }}-${{ github.run_id }}
           aws-region: ${{ vars.AWS_REGION }}
       - name: Deploy
-        uses: gruntwork-io/terragrunt-action@v2
+        uses: gruntwork-io/terragrunt-action@v3
         env:
           TF_TOKEN_app_terraform_io: ${{ secrets.TF_TOKEN_app_terraform_io }}
         with: