fix(deps): update dependency markdown-it-attrs to v5

Author: renovate[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "eleventy-plugin-footnotes": "^0.11.0",
     "infusion": "^4.8.0",
     "lodash": "^4.18.1",
-    "markdown-it-attrs": "^4.3.1"
+    "markdown-it-attrs": "^5.0.0"
   },
   "devDependencies": {
     "@commitlint/cli": "^21.0.0",