Make it a path

Author: lauzadis

.github/workflows/continuous-integration.yml

@@ -84,7 +84,7 @@ jobs:
       with:
         path: 'smithy-kotlin'
     - name: Setup build
-      uses: ../.github/actions/setup-build
+      uses: ./../.github/actions/setup-build
     - name: Checkout aws-sdk-kotlin
       uses: ./aws-kotlin-repo-tools/.github/actions/checkout-head
       with: