docs: Update stale documentation - docs/contributing/release-process.md

## Stale Documentation Detected

**File:** `docs/contributing/release-process.md`
**Current ms.date:** `2026-04-17`
**Age:** 108 days (threshold: 90 days)

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**Workflow Run:** https://github.com/microsoft/hve-core/actions/runs/30805335935
**Detection Date:** 2026-08-03

### Action Required
- [ ] Review and update this documentation file
- [ ] Update `ms.date` frontmatter to current date
- [ ] Verify technical accuracy of content
- [ ] Close this issue manually after fixes are merged

Start by reading docs/contributing/release-process.md and review its current instructions for accuracy. Check the release-process details against the repository's current practices, update any stale content, and set the ms.date frontmatter to the current date. The work is done when the documentation is accurate and the issue can be closed after the fixes are merged.

Written by the indexing model from the issue text.