build(deps): bump mobx from 6.12.3 to 6.12.4 in /docs

Bumps [mobx](https://github.com/mobxjs/mobx) from 6.12.3 to 6.12.4.
- [Release notes](https://github.com/mobxjs/mobx/releases)
- [Commits](https://github.com/mobxjs/mobx/compare/mobx@6.12.3...mobx@6.12.4)

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

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

docs/package.json

@@ -20,7 +20,7 @@
     "@mdx-js/react": "^3.0.1",
     "clsx": "^2.1.1",
     "docusaurus-protobuffet": "^0.3.3",
-    "mobx": "^6.12.3",
+    "mobx": "^6.12.4",
     "prism-react-renderer": "^1.3.5",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",

docs/yarn.lock

@@ -7775,10 +7775,10 @@ mobx-react@^7.2.0:
   dependencies:
     mobx-react-lite "^3.4.0"
 
-mobx@^6.0.4, mobx@^6.12.3:
-  version "6.12.3"
-  resolved "https://registry.yarnpkg.com/mobx/-/mobx-6.12.3.tgz#b6a0fde4268116be602d50bffb32f1b90a8fb077"
-  integrity sha512-c8NKkO4R2lShkSXZ2Ongj1ycjugjzFFo/UswHBnS62y07DMcTc9Rvo03/3nRyszIvwPNljlkd4S828zIBv/piw==
+mobx@^6.0.4, mobx@^6.12.4:
+  version "6.12.4"
+  resolved "https://registry.yarnpkg.com/mobx/-/mobx-6.12.4.tgz#a1e176cd173bf45d3e5eb825eaff2c736c0a90cb"
+  integrity sha512-uIymg89x+HmItX1p3MG+d09irn2k63J6biftZ5Ok+UpNojS1I3NJPLfcmJT9ANnUltNlHi+HQqrVyxiAN8ISYg==
 
 mri@^1.1.0:
   version "1.2.0"