sphinx-maven-plugin-2.7.0

• Updated sphinx-binary to 0.8.0, which includes the following changes:
  • Updated:
    • Python 3.6 -> 3.7 on Mac OS X and Windows
      • Linux stays on 3.6 for better compatibility
    • PyInstaller 3.5 -> 3.6
    • PyYAML 5.1.1 -> 5.3.1
    • Sphinx 2.1.2 -> 2.4.4
    • recommonmark 0.5.0 -> 0.6.0
    • sphinxcontrib-openapi 0.4.0 -> 0.6.0
    • sphinxcontrib-plantuml 0.17 -> 0.18
      • Pillow 6.1.0 -> 7.0.0
    • sphinx-markdown-tables 0.0.9 -> 0.0.12