Merge pull request #42 from virtualroot/renovate/actions-checkout-6.x

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

Author: virtualroot

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/sync-readme.yml

@@ -15,14 +15,14 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Copy README.md
         run: |
           cp -f README.md ${{ runner.temp }}/README.md
 
       - name: Checkout gh-pages
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages