[fix]: wrong branch name

Author: ookamitai

.github/workflows/ci.yml

@@ -18,10 +18,10 @@ jobs:
           python-version: 3.x
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
-          key: ${{ github.ref }}
           path: .cache
+          key: ${{ runner.os }}-${{ github.ref }}
 
       - name: Install mkdocs and plugins
         run: |
@@ -33,16 +33,16 @@ jobs:
         run: |
           echo "blog.ookamitai.com" > CNAME
 
-      - name: Push CNAME file to gh-branch
+      - name: Push CNAME file to gh-pages
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git config user.name "GitHub Actions"
           git config user.email "[email protected]"
-          git checkout -b gh-branch
+          git checkout -b gh-pages
           git add CNAME
           git commit -m "Add CNAME file"
-          git push origin gh-branch --force
+          git push origin gh-pages --force
 
       - name: Deploy to GitHub Pages
         run: mkdocs gh-deploy --force