chore(deps): update actions/checkout action to v6 (#444)

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

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -18,7 +18,7 @@ jobs:
         node_version: [20, 22, 24]
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Set up env
         uses: the-guild-org/shared-config/setup@v1
         with: