build(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -73,7 +73,7 @@ jobs:
           release-type: node
       - id: checkout
         name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           persist-credentials: false
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pr.yaml

@@ -37,7 +37,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           persist-credentials: false
           token: ${{ secrets.GITHUB_TOKEN }}