update node-ical to v0.17.1 (and other deps) (#3309)

- update `node-ical` to `v0.17.1` (and other deps)
- remove `luxon` (not needed anymore with new `node-ical` version)
- fix `navigator is not defined` errors in e2e tests when running with
Node `v20`

Author: khassel

CHANGELOG.md

@@ -32,6 +32,7 @@ _This release is scheduled to be released on 2024-01-01._
 - Clock module: optionally display current moon phase in addition to rise/set times
 - electron is now per default started without gpu, if needed it must be enabled with new env var `ELECTRON_ENABLE_GPU=1` on startup (#3226)
 - Replace prettier by stylistic in ESLint config to lint JavaScript (and disable some rules for `config/config.js*` files)
+- Update node-ical to v0.17.1 and fix tests
 
 ### Fixed