[clang-tools-extra] [clang-tools-extra][NFC] fix link to code review in README.txt (PR #148384)

[Baranov Victor via cfe-commits]

https://github.com/vbvictor created https://github.com/llvm/llvm-project/pull/148384

I'm not sure if we need to add label inside link or not, but `lists.llvm.org` seems outdated for sure, WDYT?

>From 11662e5e11ff14667893282cd05c4fa7c4be706e Mon Sep 17 00:00:00 2001
From: Victor Baranov <bar.victor.2002 at gmail.com>
Date: Sat, 12 Jul 2025 19:51:24 +0300
Subject: [PATCH] [clang-tools-extra] fix link to code review in README.txt

---
 clang-tools-extra/README.txt | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/clang-tools-extra/README.txt b/clang-tools-extra/README.txt
index 6891e4078997f..7a0614facd835 100644
--- a/clang-tools-extra/README.txt
+++ b/clang-tools-extra/README.txt
@@ -11,9 +11,8 @@ All discussion regarding Clang, Clang-based tools, and code in this repository
 should be held using the standard Clang forum:
   https://discourse.llvm.org/c/clang
 
-Code review for this tree should take place on the standard Clang patch and
-commit lists:
-  http://lists.llvm.org/mailman/listinfo/cfe-commits
+Code review for this tree should take place on Github:
+  https://github.com/llvm/llvm-project/pulls?q=label%3Aclang-tools-extra
 
 If you find a bug in these tools, please file it in the LLVM bug tracker:
   https://github.com/llvm/llvm-project/issues/