chore(deps): update actions/checkout action to v6 (#189)

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

Author: renovate[bot]

.github/workflows/checks.yml

@@ -19,7 +19,7 @@ jobs:
       schema_artifact: ${{ env.SCHEMA_ARTIFACT }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Java 17
         uses: actions/setup-java@v5
         with:

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
       schema_artifact: ${{ env.SCHEMA_ARTIFACT }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Java 17
         uses: actions/setup-java@v5
         with: