ci: fix website deploy script

.github/workflows/website.yml

@@ -15,10 +15,10 @@ jobs:
         uses: actions/setup-node@v2-beta
         with:
           node-version: 14.x
-      - name: Install dependencies
-        run: npm ci
       - name: Install npm 7
         run: npm install --global npm@7
+      - name: Install dependencies
+        run: npm ci
       - name: Build Uppy
         run: npm run build
       - name: Build website