Swift: update codegen workflow to include all files

Author: redsun82

.github/workflows/swift-codegen.yml

@@ -25,8 +25,8 @@ jobs:
           git diff --exit-code HEAD
       - name: Generate C++ files
         run: |
-          bazel run //swift/codegen:codegen -- --generate=trap,cpp --cpp-output=$PWD/swift-generated-headers
+          bazel run //swift/codegen:codegen -- --generate=trap,cpp --cpp-output=$PWD/swift-generated-cpp-files
       - uses: actions/upload-artifact@v3
         with:
-          name: swift-generated-headers
-          path: swift-generated-headers/*.h
+          name: swift-generated-cpp-files
+          path: swift-generated-cpp-files/**