GitHub Action: Bump actions/checkout from 4 to 6 (#317)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to
6.

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/prepare-binaries.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
     - name: Checkout Self
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Generate Token
       if: github.event_name == 'release'