[llvm] Update [Github] Update GHA Dependencies (PR #176676)

[via llvm-commits]

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@@ -32,14 +32,14 @@
       matrix:
         python-version: ["3.8", "3.13"]
     steps:
-      - uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout at de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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github-advanced-security[bot] wrote:

## zizmor / 

credential persistence through GitHub Actions artifacts

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https://github.com/llvm/llvm-project/pull/176676