chore: upgrade nanoid to ^3.3.18 to address CVE-2026-67213

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: github-actions[bot]

yarn.lock

@@ -18442,11 +18442,11 @@ __metadata:
   linkType: hard
 
 "nanoid@npm:^3.3.16":
-  version: 3.3.16
-  resolution: "nanoid@npm:3.3.16"
+  version: 3.3.18
+  resolution: "nanoid@npm:3.3.18"
   bin:
     nanoid: bin/nanoid.cjs
-  checksum: 10c0/bbf2dcffe22d2b62d16de2711752070b539c0f644c7916f823ad6521986b2078cbe524f2d6240f58c46e9141ea0c7b87a029e100c0f7f175228cacaf30e41bba
+  checksum: 10c0/b994b4e396730f8be2520923284e2040d61eaee55cc6d4935ef6d38d34bafdc46133eda4d3faea5073bda545aa6079d82b886caeac5c731cf9ac18bcc1301425
   languageName: node
   linkType: hard