Bump markdown-it and vsce (#112)

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) to 12.3.2 and updates ancestor dependency [vsce](https://github.com/Microsoft/vsce). These dependencies need to be updated together.


Updates `markdown-it` from 10.0.0 to 12.3.2
- [Release notes](https://github.com/markdown-it/markdown-it/releases)
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@10.0.0...12.3.2)

Updates `vsce` from 1.79.5 to 2.15.0
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v1.79.5...v2.15.0)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-type: indirect
- dependency-name: vsce
  dependency-type: direct:development
...

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

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

package.json

@@ -147,7 +147,7 @@
     "mocha": "^10.2.0",
     "tslint": "^5.20.1",
     "typescript": "^3.9.7",
-    "vsce": "^1.103.1",
+    "vsce": "^2.15.0",
     "vscode-test": "^1.4.0"
   },
   "icon": "processing.png"