ci: fix build docs (#13490)

.github/workflows/build-docs.yml

@@ -24,6 +24,13 @@ jobs:
           persist-credentials: false
           fetch-depth: 0
 
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: "16.x"
+
+      # npm install npm should be removed when https://github.com/npm/cli/issues/4942 is fixed
       - name: Build docs
         run: |
+          npm install -g npm@8.5.5
           make build-docs

.github/workflows/deploy-docs.yml

@@ -32,8 +32,10 @@ jobs:
         with:
           node-version: "16.x"
 
+      # npm install npm should be removed when https://github.com/npm/cli/issues/4942 is fixed
       - name: Build 🔧
         run: |
+          npm install -g npm@8.5.5
           make build-docs
 
       - name: Deploy 🚀