Bump jquery from 3.7.1 to 4.0.0 (#535)

* Bump jquery from 3.7.1 to 4.0.0

Bumps [jquery](https://github.com/jquery/jquery) from 3.7.1 to 4.0.0.
- [Release notes](https://github.com/jquery/jquery/releases)
- [Changelog](https://github.com/jquery/jquery/blob/main/changelog.md)
- [Commits](jquery/jquery@3.7.1...4.0.0)

---
updated-dependencies:
- dependency-name: jquery
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Remove selectize package (obsolete?)

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NickJ-7010 <nickj7010@gmail.com>

Author: dependabot[bot]

frontend/javascript/modules/adhoc.js

@@ -1,5 +1,4 @@
 import 'whatwg-fetch';
-import '@selectize/selectize';
 import FetchUtil from '../utils/fetchUtil';
 import Exception from '../exceptions/exception';
 import AttendanceException from '../exceptions/attendanceException';

package-lock.json

@@ -23,7 +23,6 @@
     "fix": "eslint --fix"
   },
   "dependencies": {
-    "@selectize/selectize": "^0.15.2",
     "@sentry/browser": "10.22.0",
     "bootstrap": "5.3.8",
     "choices.js": "^11.2.3",