chore(deps): update dependency linkedom to v0.18.9 (#254)

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "eslint-plugin-yml": "1.16.0",
     "github-slugger": "2.0.0",
     "husky": "9.0.11",
-    "linkedom": "0.16.8",
+    "linkedom": "0.18.9",
     "lint-staged": "15.2.10",
     "markdown-it-anchor": "8.6.7",
     "markdownlint-cli2": "0.14.0",