message: bump docusaurus-theme dep
diff: "@docusaurus/core": "2.0.0-beta.2",
  "@docusaurus/preset-classic": "2.0.0-beta.2",
  "@ionic-internal/docusaurus-plugin-tag-manager": "2.0.0",
  - "@ionic-internal/docusaurus-theme": "2.0.11",
  + "@ionic-internal/docusaurus-theme": "2.0.12",
  "@ionic/prettier-config": "^1.0.1",
  "@ionic/react": "^5.6.8",
  "@mdx-js/react": "^1.6.22",
  