chore(release): map beibi9966 email for AUTHOR_MAP

Follow-up for PR #18502 salvage.

Author: teknium1

scripts/release.py

@@ -373,6 +373,7 @@
     "h3057183414@gmail.com": "CoreyNoDream",
     "franksong2702@gmail.com": "franksong2702",
     "673088860@qq.com": "ambition0802",
+    "beibei1988@proton.me": "beibi9966",
     # ── bulk addition: 75 emails resolved via API, PR salvage bodies, noreply
     #    crossref, and GH contributor list matching (April 2026 audit) ──
     "1115117931@qq.com": "aaronagent",