Bump mdast-util-from-markdown from 1.0.4 to 1.2.0 (#23301)

Bumps [mdast-util-from-markdown](https://github.com/syntax-tree/mdast-util-from-markdown) from 1.0.4 to 1.2.0.
- [Release notes](https://github.com/syntax-tree/mdast-util-from-markdown/releases)
- [Commits](syntax-tree/mdast-util-from-markdown@1.0.4...1.2.0)

---
updated-dependencies:
- dependency-name: mdast-util-from-markdown
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -54,7 +54,7 @@
     "lodash-es": "^4.17.21",
     "lunr": "^2.3.9",
     "lunr-languages": "^1.9.0",
-    "mdast-util-from-markdown": "^1.0.4",
+    "mdast-util-from-markdown": "^1.2.0",
     "mdast-util-to-string": "^3.1.0",
     "morgan": "^1.10.0",
     "next": "^11.1.2",