chore(deps): update actions/checkout action to v6 (#136)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Sander <17591696+sand4rt@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           version: "10.18.3"
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -71,7 +71,7 @@ jobs:
         with:
           version: "10.18.3"
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.generate_token.outputs.token }}
           fetch-depth: 0