Bump highcharts from 11.4.8 to 12.2.0 in /Plan/react/dashboard

Bumps [highcharts](https://github.com/highcharts/highcharts-dist) from 11.4.8 to 12.2.0.
- [Commits](highcharts/highcharts-dist@v11.4.8...v12.2.0)

---
updated-dependencies:
- dependency-name: highcharts
  dependency-version: 12.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Plan/react/dashboard/package.json

@@ -25,7 +25,7 @@
     "axios": "^1.8.4",
     "bootstrap": "^5.3.3",
     "export-to-csv": "^1.3.0",
-    "highcharts": "^11.4.8",
+    "highcharts": "^12.2.0",
     "i18next": "^24.2.3",
     "i18next-chained-backend": "^4.6.2",
     "i18next-http-backend": "^3.0.2",

Plan/react/dashboard/yarn.lock

@@ -1944,10 +1944,10 @@ hastscript@^6.0.0:
     property-information "^5.0.0"
     space-separated-tokens "^1.0.0"
 
-highcharts@^11.4.8:
-  version "11.4.8"
-  resolved "https://registry.yarnpkg.com/highcharts/-/highcharts-11.4.8.tgz#252e71b81c24ec9f99e756b76dbebd7546e18dda"
-  integrity sha512-5Tke9LuzZszC4osaFisxLIcw7xgNGz4Sy3Jc9pRMV+ydm6sYqsPYdU8ELOgpzGNrbrRNDRBtveoR5xS3SzneEA==
+highcharts@^12.2.0:
+  version "12.2.0"
+  resolved "https://registry.yarnpkg.com/highcharts/-/highcharts-12.2.0.tgz#264633af7e815f0f6291c0d570b1da12e323e9de"
+  integrity sha512-UUN+osTP3aeGc4KmoMuWAjzpKif8GYHFozzYI4O8h1ILGof25M/ZGBpXLvgqf1z0LVh7N9eG7i0HnzMfjcR4nA==
 
 highlight.js@^10.4.1, highlight.js@~10.7.0:
   version "10.7.3"