[llvm] [Github] Bump clang-format to 21.1.0 (PR #155660)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

This patch bumps the clang-format version in the pr-code-format action to the latest release version, in line with how we have handled this before.

---
Full diff: https://github.com/llvm/llvm-project/pull/155660.diff


1 Files Affected:

- (modified) .github/workflows/pr-code-format.yml (+1-1) 


``````````diff
diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index 5540555ae05ed..3089debbdbc2f 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: 20.1.8
+          clangformat: 21.1.0
 
       - name: Setup Python env
         uses: actions/setup-python at 42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0

``````````

</details>


https://github.com/llvm/llvm-project/pull/155660