🚑 🔒 Use unique identifier for Mastodon Profile Information (#2181)

Co-authored-by: Lukas Radermacher <[email protected]>

app/Enum/CacheKey.php

@@ -27,7 +27,7 @@ public static function getGlobalStatsKey(Carbon $from, Carbon $to): string {
     }
 
     public static function getMastodonProfileInformationKey(User $user): string {
-        return "mastodon_{$user->name}";
+        return "mastodon_{$user->id}";
     }
 
     public static function getYearInReviewKey(User $user, int $year): string {