Acknowledge dependency pinning audit for sentry-java

Acknowledge and review the dependency pinning audit request for [sentry-java]().

Use the parent issue for the audit checklist and expectations: [SDK-1314](https://linear.app/getsentry/issue/SDK-1314/dependency-pinning-audit-across-sdk-repositories).

This sub-issue is only for acknowledgement and completion tracking.

If gaps are found, open a follow-up issue in [SDKs](https://linear.app/getsentry/team/SDK/all), route it through triage, and link it back to [SDK-1314](https://linear.app/getsentry/issue/SDK-1314/dependency-pinning-audit-across-sdk-repositories).