chore: use a more stable url for patch file

Author: chenzhuoyu

Formula/avr-binutils.rb

@@ -27,7 +27,7 @@ class AvrBinutils < Formula
 
   # Support for -C in avr-size
   patch do
-    url "https://raw.githubusercontent.com/chenzhuoyu/homebrew-avr/main/Patch/avr-binutils-size.patch"
+    url "https://raw.githubusercontent.com/chenzhuoyu/homebrew-avr/2676e4caa70022cf7b087f7c1bb676e368343190/Patch/avr-binutils-size.patch"
     sha256 "8bd641fa74c967e21a6f4251fef3e1d931bfefca40dd03349ba25225f222436b"
   end