fix(deps): update highlight

Author: renovate[bot]

package-lock.json

@@ -87,9 +87,9 @@
     "@tiptap/vue-2": "^2.0.3",
     "debounce": "^1.2.1",
     "escape-html": "^1.0.3",
-    "highlight.js": "^11.7.0",
+    "highlight.js": "^11.8.0",
     "lib0": "^0.2.74",
-    "lowlight": "^2.8.1",
+    "lowlight": "^2.9.0",
     "markdown-it": "^13.0.1",
     "markdown-it-container": "^3.0.0",
     "markdown-it-front-matter": "^0.2.3",