Docs: enhance recompute certificates hash runbook #7812

All 1 428 tests pass in 9m 48s

4 files ±0 52 suites ±0 9m 48s ⏱️ -8s
1 428 tests ±0 1 428 ✅ ±0 0 💤 ±0 0 ❌ ±0
1 639 runs ±0 1 639 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 6356223. ± Comparison against earlier commit 3775163.