v0.23.1

Changed

• Use Noto CJK font instead of broken font-ipa in Docker image (#318)
• Upgrade Marpit v1.6.4 and Marp Core v1.4.1 (#319)
• Upgrade dependent packages to the latest version (#319)
• Rename master branch to main (#320)

Fixed

• Throw better error when spawning snap Chromium from another snap app (#317)