Update RBI files for mime-types.

Library/Homebrew/sorbet/rbi/gems/mime-types@3.4.1.rbi

@@ -1,9 +1,9 @@
+# typed: true
+
 # DO NOT EDIT MANUALLY
 # This is an autogenerated file for types exported from the `mime-types` gem.
 # Please instead update this file by running `bin/tapioca gem mime-types`.
 
-# typed: true
-
 module MIME; end
 
 class MIME::Type
@@ -38,6 +38,9 @@ class MIME::Type
   def preferred_extension; end
   def preferred_extension=(value); end
   def priority_compare(other); end
+  def provisional; end
+  def provisional=(_arg0); end
+  def provisional?; end
   def raw_media_type; end
   def raw_sub_type; end
   def registered; end
@@ -97,6 +100,9 @@ class MIME::Type::Columnar < ::MIME::Type
   def obsolete?(*args); end
   def preferred_extension(*args); end
   def preferred_extension=(*args); end
+  def provisional(*args); end
+  def provisional=(*args); end
+  def provisional?(*args); end
   def registered(*args); end
   def registered=(*args); end
   def registered?(*args); end
@@ -270,6 +276,7 @@ class MIME::Types::Loader
 
     private
 
+    def old_yaml?; end
     def read_file(filename); end
   end
 end