[ahawastecollection] Disable AhaCollectionScheduleTest (#12974)

[ahawastecollection] Disable AhaCollectionScheduleTest (#12974)

These tests use the real website which causes unwanted load, network connections and test failures.

See: https://github.com/openhab/openhab-addons/actions/runs/2529936944

```
[ERROR] Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 4.109 s <<< FAILURE! - in org.openhab.binding.ahawastecollection.internal.AhaCollectionScheduleTest
[ERROR] org.openhab.binding.ahawastecollection.internal.AhaCollectionScheduleTest.testGetValuesForRegion  Time elapsed: 3.294 s  <<< ERROR!
org.jsoup.UnsupportedMimeTypeException: Unhandled content type. Must be text/*, application/xml, or application/*+xml
	at org.openhab.binding.ahawastecollection.internal.AhaCollectionScheduleTest.testGetValuesForRegion(AhaCollectionScheduleTest.java:42)

[ERROR] org.openhab.binding.ahawastecollection.internal.AhaCollectionScheduleTest.testGetValuesForHannoverCity  Time elapsed: 0.726 s  <<< ERROR!
org.jsoup.UnsupportedMimeTypeException: Unhandled content type. Must be text/*, application/xml, or application/*+xml
	at org.openhab.binding.ahawastecollection.internal.AhaCollectionScheduleTest.testGetValuesForHannoverCity(AhaCollectionScheduleTest.java:33)
```

Signed-off-by: Wouter Born <github@maindrain.net>