[CODE_OWNERS] Update my email address.

NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330631 91177308-0d34-0410-b5e6-96231b3b80d8

Author: qcolombet

CODE_OWNERS.TXT

@@ -61,7 +61,7 @@ E: [email protected]
 D: llgo, libLTO (lib/LTO/* tools/lto/*), LLVM Bitcode (lib/Bitcode/* include/llvm/Bitcode/*)
 
 N: Quentin Colombet
-E: qcolombet@apple.com
+E: quentin.colombet@gmail.com
 D: Loop Strength Reduction, Register allocators
 
 N: Simon Dardis