build(deps): bump actions/checkout from 5 to 6 (#7)

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -11,7 +11,7 @@ jobs:
     name: Tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Run tests
         shell: bash

.github/workflows/versions.yaml

@@ -13,7 +13,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           persist-credentials: true