ci(deps): bump actions/checkout from 4 to 5 (#18)

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -69,7 +69,7 @@ jobs:
     needs: build
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v4