[llvm] Increase git fetch depth (PR #70946)

[Aiden Grossman via llvm-commits]

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@@ -10,14 +10,14 @@ jobs:
       - name: Fetch LLVM sources
         uses: actions/checkout at v4
         with:
-          fetch-depth: 2
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boomanaiden154 wrote:

You can keep the fetch depth here 2. This action only checks out the base of the PR (which is the target branch) and doesn't actually checkout any PR code. The `changed-files` action is the one that actually checks out the code.

https://github.com/llvm/llvm-project/pull/70946