Bump markdown-it-container from 2.0.0 to 3.0.0

Bumps [markdown-it-container](https://github.com/markdown-it/markdown-it-container) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/markdown-it/markdown-it-container/releases)
- [Changelog](https://github.com/markdown-it/markdown-it-container/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it-container@2.0.0...3.0.0)

---
updated-dependencies:
- dependency-name: markdown-it-container
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -17,11 +17,6 @@
   "dependencies": {
     "@apidevtools/json-schema-ref-parser": "^9.0.9",
     "@brainhubeu/react-carousel": "1.19.26",
-    "@fortawesome/fontawesome-free": "^5.13.0",
-    "@fortawesome/fontawesome-svg-core": "^1.2.4",
-    "@fortawesome/free-brands-svg-icons": "^5.15.2",
-    "@fortawesome/free-solid-svg-icons": "^5.3.1",
-    "@fortawesome/react-fontawesome": "^0.1.3",
     "@material-ui/core": "^4.12.3",
     "@material-ui/icons": "^4.11.2",
     "@material-ui/lab": "^4.0.0-alpha.57",
@@ -44,7 +39,7 @@
     "markdown-it": "^12.3.2",
     "markdown-it-br": "^1.0.0",
     "markdown-it-center-text": "^1.0.4",
-    "markdown-it-container": "^2.0.0",
+    "markdown-it-container": "^3.0.0",
     "markdown-it-emphasis-alt": "^1.0.8",
     "markdown-it-inline-comments": "^1.0.1",
     "markdown-it-strikethrough-alt": "^1.0.0",