sorbet: set utils/shebang.rb to true

Library/Homebrew/sorbet/files.yaml

@@ -849,7 +849,6 @@ false:
   - ./unpack_strategy/uncompressed.rb
   - ./utils/gems.rb
   - ./utils/inreplace.rb
-  - ./utils/shebang.rb
   - ./version.rb
 
 true:
@@ -892,6 +891,7 @@ true:
   - ./utils/bottles.rb
   - ./utils/link.rb
   - ./utils/notability.rb
+  - ./utils/shebang.rb
   - ./utils/shell.rb
   - ./utils/svn.rb
   - ./utils/tty.rb

Library/Homebrew/sorbet/rbi/utils/utils.rbi

@@ -5,8 +5,12 @@ module Utils
 
   class Bottles
   end
-end
 
-module Utils::Link
-  include Kernel
+  module Link
+    include Kernel
+  end
+
+  module Shebang
+    include Kernel
+  end
 end