message: Fix names of environment variables
diff: @@ -119,14 +119,14 @@ jobs:
  - name: "Set Travis-CI environment variables" # TODO: Replace with more fitting names if Travis-CI gets removed
  run: |
  if [ "$RUNNER_OS" == "Windows" ]; then
  - echo "{TRAVIS_OS_NAME}={windows}" >> $GITHUB_ENV
  + echo "TRAVIS_OS_NAME=windows" >> $GITHUB_ENV
  elif [ "$RUNNER_OS" == "macOS" ]; then
  - echo "{TRAVIS_OS_NAME}={osx}" >> $GITHUB_ENV
  + echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV
  else
  - echo "{TRAVIS_OS_NAME}={linux}" >> $GITHUB_ENV
  + echo "TRAVIS_OS_NAME=linux" >> $GITHUB_ENV
  fi
  - echo "{TRAVIS_NODE_VERSION}={${{ matrix.node-version }}}" >> $GITHUB_ENV
  - echo "{TRAVIS_CPU_ARCH}={x64}" >> $GITHUB_ENV
  + echo "TRAVIS_NODE_VERSION=${{ matrix.node-version }}" >> $GITHUB_ENV
  + echo "TRAVIS_CPU_ARCH=x64" >> $GITHUB_ENV
  - name: "Package application"
  run: |
  npm install --production
  