Fix: add missing automatically generated release note section for `unstable` releases #7262

All 1 358 tests pass in 9m 24s

4 files ±0 54 suites ±0 9m 24s ⏱️ -10s
1 358 tests ±0 1 358 ✅ ±0 0 💤 ±0 0 ❌ ±0
1 566 runs ±0 1 566 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 25045a1. ± Comparison against earlier commit 8e3d17f.