[desktop]: Bump @types/leaflet in /desktop in the types group

Bumps the types group in /desktop with 1 update: [@types/leaflet](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/leaflet).


Updates `@types/leaflet` from 1.9.14 to 1.9.15
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/leaflet)

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

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

desktop/package.json

@@ -67,7 +67,7 @@
 		"@eslint/js": "9.16.0",
 		"@swc/cli": "0.5.2",
 		"@types/eslint__js": "8.42.3",
-		"@types/leaflet": "1.9.14",
+		"@types/leaflet": "1.9.15",
 		"@types/node": "22.10.1",
 		"angular-eslint": "18.4.2",
 		"electron": "33.2.1",