fix(docs) Temporary disable gh-pages javadoc generation - #4445

📜 Description

As

As far as I can see this is only used for the gh-pages branch docs: https://getsentry.github.io/sentry-java/

Note: This is a temporary solution, we should apply a proper fix in the long run.

💡 Motivation and Context

Working CI

#skip-changelog

💚 How did you test it?

📝 Checklist

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps