ci: Add debugging to figure out UIKit and Linux doc build issues

Author: stackotter

.github/actions/compile-docs/action.yml

@@ -55,6 +55,10 @@ runs:
         echo "$DEVICE_TYPE"
         echo "Building documentation for destination '$destination'"
         xcodebuild -skipMacroValidation -scheme "$TARGET" -destination "$destination" -derivedDataPath /tmp/data docbuild | xcbeautify --renderer github-actions
+        ls /tmp/data
+        ls /tmp/data/Build
+        ls /tmp/data/Build/Products
+        ls /tmp/data/Build/Products/Debug
         cp -R "/tmp/data/Build/Products/Debug/$TARGET.doccarchive" "$TARGET.doccarchive"
       shell: bash
       env:

.github/workflows/build-test-and-docs.yml

@@ -224,6 +224,9 @@ jobs:
     - name: Test
       run: swift test --test-product swift-cross-uiPackageTests
 
+    - name: Probe
+      run: ls /usr/share/swift/usr/share/docc/render/
+
     - name: Compile GtkBackend docs
       if: ${{ matrix.os == 'ubuntu-24.04' }}
       uses: ./.github/actions/compile-docs