Update actions/checkout action to v6

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5.0.0 -> v6.0.1

[llvmbot]

@llvm/pr-subscribers-github-workflow

Author: Mend Renovate (renovate-bot)

Changes

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5.0.0 -> v6.0.1

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

v6.0.1

Compare Source

v6.0.0

Compare Source

v5.0.1

Compare Source

What's Changed

• Port v6 cleanup to v5 by @&#8203;ericsciple in #&#8203;2301

Full Changelog: <actions/checkout@v5...v5.0.1>

</details>

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Configuration

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🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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Full diff: https://github.com/llvm/llvm-project/pull/171065.diff

1 Files Affected:

• (modified) .github/workflows/release-sources.yml (+1-1)

diff --git a/.github/workflows/release-sources.yml b/.github/workflows/release-sources.yml
index 20e7c62976098..ea6a81c8c7b95 100644
--- a/.github/workflows/release-sources.yml
+++ b/.github/workflows/release-sources.yml
@@ -108,7 +108,7 @@ jobs:
       attestations: write
     steps:
       - name: Checkout Release Scripts
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/workflows/upload-release-artifact