Try to fix path

Author: lauzadis

.github/workflows/artifact-size-metrics.yml

@@ -45,11 +45,9 @@ jobs:
     steps:
       - name: Checkout Sources
         uses: actions/checkout@v4
-        with:
-          path: 'smithy-kotlin'
 
       - name: Setup build
-        uses: ./smithy-kotlin/.github/actions/setup-build
+        uses: .github/actions/setup-build
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v4