Bump yaml from 2.2.1 to 2.2.2

Bumps [yaml](https://github.com/eemeli/yaml) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v2.2.1...v2.2.2)

---
updated-dependencies:
- dependency-name: yaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -66,7 +66,7 @@
     "markdownlint-cli2-formatter-default": "0.0.4",
     "micromatch": "4.0.5",
     "strip-json-comments": "5.0.0",
-    "yaml": "2.2.1"
+    "yaml": "2.2.2"
   },
   "devDependencies": {
     "@iktakahiro/markdown-it-katex": "4.0.1",