add linux's binary_executable_or_library_files to keg

Library/Homebrew/extend/os/keg.rb

@@ -1,4 +1,8 @@
 # typed: strict
 # frozen_string_literal: true
 
-require "extend/os/mac/keg" if OS.mac?
+if OS.mac?
+  require "extend/os/mac/keg"
+elsif OS.linux?
+  require "extend/os/linux/keg"
+end

Library/Homebrew/extend/os/linux/keg.rb

@@ -0,0 +1,10 @@
+# typed: false
+# frozen_string_literal: true
+
+class Keg
+  undef binary_executable_or_library_files
+
+  def binary_executable_or_library_files
+    elf_files
+  end
+end

Library/Homebrew/keg.rb

@@ -530,7 +530,7 @@ class Keg
   end
 
   def binary_executable_or_library_files
-    elf_files
+    []
   end
 
   def codesign_patched_binary(file); end