Missing packages when running on gherkin

[luke-hill]

👓 What did you see?

[09:12:31] lukehill@PC8188LAP:~/Code/gherkin$ polyglot-release 30.0.1
Checking prerequisites
**xmlstarlet is not installed!

Please install the missing required tool(s).

THEN

go

THEN

mvn

✅ What did you expect to see?

It work?

📦 Which tool/library version are you using?

gherkin releasing

🔬 How could we reproduce it?

No response

📚 Any additional context?

No response