Bump luxon and @types/luxon

Bumps [luxon](https://github.com/moment/luxon) and [@types/luxon](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/luxon). These dependencies needed to be updated together.

Updates `luxon` from 3.4.3 to 3.4.4
- [Changelog](https://github.com/moment/luxon/blob/master/CHANGELOG.md)
- [Commits](moment/luxon@3.4.3...3.4.4)

Updates `@types/luxon` from 3.3.3 to 3.3.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/luxon)

---
updated-dependencies:
- dependency-name: luxon
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: "@types/luxon"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -24,7 +24,7 @@
     "i18next": "^23.6.0",
     "i18next-browser-languagedetector": "^7.1.0",
     "lodash": "^4.17.21",
-    "luxon": "^3.4.3",
+    "luxon": "^3.4.4",
     "mui-rff": "^7.1.0",
     "package-lock-only": "^0.0.4",
     "react": "^18.2.0",
@@ -80,7 +80,7 @@
     "@opencast/eslint-config-ts-react": "^0.1.0",
     "@playwright/test": "^1.38.1",
     "@types/lodash": "^4.14.200",
-    "@types/luxon": "^3.3.3",
+    "@types/luxon": "^3.3.6",
     "@types/react-beforeunload": "^2.1.3",
     "@types/react-final-form-listeners": "^1.0.2",
     "@types/react-resizable": "^3.0.6",