Raise group avatar filesize limit to 200kb, fixes #8527

app/models/group.rb

@@ -21,7 +21,7 @@ class Group < Namespace
   has_many :users, through: :group_members
 
   validate :avatar_type, if: ->(user) { user.avatar_changed? }
-  validates :avatar, file_size: { maximum: 100.kilobytes.to_i }
+  validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
 
   mount_uploader :avatar, AttachmentUploader