[llvm] [Github] Bump PR Code Format clang-format version (PR #141819)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/141819

As we have discussed in the past, we should be using the latest version. This has not been updated in a while.

>From 9d9b3117582ae502ccf31bf7bc24bcfe3d9f02be Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Wed, 28 May 2025 18:37:19 +0000
Subject: [PATCH] [Github] Bump PR Code Format clang-format version

As we have discussed in the past, we should be using the latest version. This
has not been updated in a while.
---
 .github/workflows/pr-code-format.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index 063fe5679a399..05d69861e1841 100644
--- a/.github/workflows/pr-code-format.yml
+++ b/.github/workflows/pr-code-format.yml
@@ -55,7 +55,7 @@ jobs:
       - name: Install clang-format
         uses: aminya/setup-cpp at 17c11551771948abc5752bbf3183482567c7caf0 # v1.1.1
         with:
-          clangformat: 19.1.6
+          clangformat: 20.1.5
 
       - name: Setup Python env
         uses: actions/setup-python at 42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0