Quorum "say" command doesn't work on macOS Sequoia

When trying to execute a "say" statement on macOS 15 Sequoia, Quorum gives this output:

```
Exception in thread "VoiceOver Speech Thread" java.lang.NullPointerException
	at org.sodbeans.phonemic.mac.VoiceOver.run(VoiceOver.java:59)
	at java.base/java.lang.Thread.run(Thread.java:829)

```