ci: update workflow (#64)

Signed-off-by: lixd <[email protected]>

Author: lixd

.github/workflows/build-doc.yaml

@@ -27,7 +27,7 @@ jobs:
           node-version: '14'
 
       - name: Cache dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}