Bump gridstack from 8.2.1 to 8.3.0

Bumps [gridstack](https://github.com/gridstack/gridstack.js) from 8.2.1 to 8.3.0.
- [Release notes](https://github.com/gridstack/gridstack.js/releases)
- [Changelog](https://github.com/gridstack/gridstack.js/blob/master/doc/CHANGES.md)
- [Commits](gridstack/gridstack.js@v8.2.1...v8.3.0)

---
updated-dependencies:
- dependency-name: gridstack
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
         "flatpickr": "^4.6.3",
         "fuzzy": "^0.1.3",
         "gettext.js": "^2.0.0",
-        "gridstack": "^8.2.1",
+        "gridstack": "^8.3.0",
         "hotkeys-js": "^3.10.4",
         "html5sortable": "^0.13.2",
         "jquery": "^3.7.0",