chore(deps): update actions/checkout digest to 8e8c483 (#26)

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | digest | `1af3b93` -> `8e8c483` | [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/actions/checkout/badge)](https://securityscorecards.dev/viewer/?uri=github.com/actions/checkout)
|

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.github/workflows/check.yaml

@@ -19,7 +19,7 @@ jobs:
         with:
           version: ${{ env.EARTHLY_VERSION }}
           use-cache: false
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - run: echo "go_version=${{ matrix.go }}" >> .arg
       - name: Lint
         run: earthly --ci +lint