Add untar step to check-pull-requests-for-documentation-warnings

Author: maddyadams

.github/workflows/check-pull-requests-for-documentation-warnings.yml

@@ -38,12 +38,17 @@ jobs:
             - name: Download package artifact
               uses: actions/download-artifact@v5
               with:
-                path: .
-                name: SwiftUsd-package-${{ github.run_id }}
+                path: SwiftUsd.tar.gz
+                name: SwiftUsd-package-${{ github.run_id }}.tar.gz
+
+            - name: Untar package artifact
+              run: |
+              mkdir ./SwiftUsd
+              tar -xzf ./SwiftUsd.tar.gz/SwiftUsd.tar.gz -C ./SwiftUsd
 
             - name: Check for documentation warnings
               run: |
-                swift run --package-path ./scripts/docc build-documentation
-                swift run --package-path ./scripts/docc check-documentation
+                swift run --package-path ./SwiftUsd/scripts/docc build-documentation
+                swift run --package-path ./SwiftUsd/scripts/docc check-documentation