chore(deps): update rhysd/actionlint:latest docker digest to 6f03470 (#589)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lint.yml

@@ -16,4 +16,4 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - uses: docker://rhysd/actionlint:latest@sha256:ef8299f97635c4c30e2298f48f30763ab782a4ad2c95b744649439a039421e36
+      - uses: docker://rhysd/actionlint:latest@sha256:6f03470d0152251d7f07f7c4dc019dbe7024c72cd952f839544c7798843efa8f