feat(docs): uplift Docusaurus to v3 (#28345)

Signed-off-by: hainenber <dotronghai96@gmail.com>

docs/src/theme/DocItem/index.js

@@ -16,7 +16,6 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import React from 'react';
 import styled from '@emotion/styled';
 import DocItem from '@theme-original/DocItem';