Merge pull request #36 from jcs090218/dependabot/github_actions/actions/checkout-6

chore(deps): bump actions/checkout from 5 to 6

Author: jcs090218

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Install SiraDoc
       run: npm install --global @siradoc/siradoc
@@ -25,7 +25,7 @@ jobs:
       run: siradoc docs build
 
     - name: Clone branch gh-pages
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         path: 'gh-pages'
         ref: gh-pages