chore: update ECR repository path in GitHub Actions workflow

Author: codevoyager1984

.github/workflows/push-to-ecr.yaml

@@ -32,7 +32,7 @@ jobs:
         uses: docker/build-push-action@v5
         env:
           ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
-          ECR_REPOSITORY: fellou-eko-docs
+          ECR_REPOSITORY: fellou/fellou-eko-docs
           IMAGE_TAG: ${{ github.sha }}
         with:
           context: .