pubspec.lockを更新

Author: github-actions[bot]

pubspec.lock

@@ -461,10 +461,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_auth
-      sha256: f03218ba7024e289f797ea8f713f92e38a2bd1322e2d925454c849661206e581
+      sha256: "89bf082422d09cb19d32450c6693c135ebadb2fef4852b2ad0daaa9820136893"
       url: "https://pub.dev"
     source: hosted
-    version: "6.6.0"
+    version: "6.6.1"
   firebase_auth_platform_interface:
     dependency: transitive
     description: