message: Fix combine step env variables.
diff: @@ -108,11 +108,11 @@ jobs:
  fetch-depth: 0 # so that `git describe` works.
  - name: Set environment variables
  run: |
  - export $CESIUM_UNREAL_VERSION=$(git describe)
  - export $BUILD_CESIUM_UNREAL_PACKAGE_NAME="CesiumForUnreal-500-${CESIUM_UNREAL_VERSION}"
  + export CESIUM_UNREAL_VERSION=$(git describe)
  + export BUILD_CESIUM_UNREAL_PACKAGE_NAME="CesiumForUnreal-500-${CESIUM_UNREAL_VERSION}"
  # Make these available to subsequent steps
  - echo "CESIUM_UNREAL_VERSION=${CESIUM_UNREAL_VERSION}" >> $GITHUB_ENV
  - echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=${BUILD_CESIUM_UNREAL_PACKAGE_NAME}" >> $GITHUB_ENV
  + echo "CESIUM_UNREAL_VERSION=$CESIUM_UNREAL_VERSION" >> $GITHUB_ENV
  + echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=$BUILD_CESIUM_UNREAL_PACKAGE_NAME" >> $GITHUB_ENV
  - name: Download Android build
  uses: actions/download-artifact@v3
  with:
  