Add PYENV_ROOT to GITHUB_PATH in workflow

Author: luzfcb

.github/workflows/build-test.yml

@@ -38,6 +38,7 @@ jobs:
           curl https://pyenv.run | bash
           export PYENV_ROOT="$HOME/.pyenv"
           export PATH="$PYENV_ROOT/bin:$PATH"
+          echo "$PYENV_ROOT/bin:$PATH" >> $GITHUB_PATH
           eval "$(pyenv init -)"
           pyenv install -s 3.5.10
           pyenv global 3.5.10