Bump markdown-it-deflist from 2.1.0 to 3.0.0 (#1311)

Bumps [markdown-it-deflist](https://github.com/markdown-it/markdown-it-deflist) from 2.1.0 to 3.0.0.
- [Changelog](https://github.com/markdown-it/markdown-it-deflist/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it-deflist@2.1.0...3.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -628,7 +628,7 @@
     "markdown-it-attribution": "^0.1.4",
     "markdown-it-attrs": "^4.2.0",
     "markdown-it-block-embed": "0.0.3",
-    "markdown-it-deflist": "^2.1.0",
+    "markdown-it-deflist": "^3.0.0",
     "markdown-it-div": "^1.1.0",
     "markdown-it-fontawesome": "^0.3.0",
     "markdown-it-iframe": "^1.0.0",