fix: treat skipped cross-compile job as success in CI

The cross_compile_results job treats "skipped" as a failure, but the
cross_compile job is legitimately skipped when the PR hasn't been
approved yet. Accept "skipped" alongside "success".

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/cross-compile-test-v3.yml

@@ -126,8 +126,8 @@ jobs:
       - run: |
           result="${{ needs.cross_compile.result }}"
           echo "Cross-compile result: $result"
-          if [[ $result == "success" ]]; then
-            echo "All cross-compile tests passed!"
+          if [[ $result == "success" || $result == "skipped" ]]; then
+            echo "Cross-compile tests passed (or were skipped)!"
             exit 0
           else
             echo "One or more cross-compile tests failed"