chore: dotnet format

merging like 6 PRs at once is painful :)

PluralKit.Core/Database/Functions/ProxyMember.cs

@@ -45,4 +45,4 @@ public class ProxyMember
     }
 
     public string? ProxyAvatar(MessageContext ctx) => ServerAvatar ?? WebhookAvatar ?? Avatar ?? ctx.SystemGuildAvatar ?? ctx.SystemAvatar;
-}
+}

PluralKit.Core/Database/Utils/DatabaseMigrator.cs

@@ -78,4 +78,4 @@ internal class DatabaseMigrator
         // Then, migration 1 gets executed, which creates the info table and sets version to 1
         return -1;
     }
-}
+}