chore(deps): bump @tiptap/core from 3.29.0 to 3.30.5

Bumps [@tiptap/core](https://github.com/ueberdosis/tiptap/tree/HEAD/packages/core) from 3.29.0 to 3.30.5.
- [Release notes](https://github.com/ueberdosis/tiptap/releases)
- [Changelog](https://github.com/ueberdosis/tiptap/blob/v3.30.5/packages/core/CHANGELOG.md)
- [Commits](https://github.com/ueberdosis/tiptap/commits/v3.30.5/packages/core)

---
updated-dependencies:
- dependency-name: "@tiptap/core"
  dependency-version: 3.30.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -53,7 +53,7 @@
   "homepage": "https://github.com/learningequality/studio#readme",
   "dependencies": {
     "@sentry/vue": "^10.68.0",
-    "@tiptap/core": "^3.29.0",
+    "@tiptap/core": "^3.30.5",
     "@tiptap/extension-code-block-lowlight": "^3.29.0",
     "@tiptap/extension-link": "^3.29.0",
     "@tiptap/extension-subscript": "^3.29.0",