How to solve the problem of 'no artifacts named' GitHub pages' was found for this workflow run

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this is my worker flow：
this error at Deploy JupyterLite site to GitHub Pages

name: Build and Deploy
on:
push:
branches:
- main
pull_request:
branches:
- '*'

concurrency:
group: "pages"
cancel-in-progress: false

jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3

  - name: Setup Python
    uses: actions/setup-python@v5
    with:
      python-version: '3.11'

  - name: Install mamba
    uses: mamba-org/setup-micromamba@v1
    with:
      micromamba-version: '1.5.8-0'
      environment-file: build-environment.yml
      cache-environment: true

  - name: Build the JupyterLite site
    shell: bash -l {0}
    run: |
      jupyter lite build --contents docs/ipynbs --output-dir ipynb

  - name: Upload JupyterLite site artifact
    uses: actions/upload-pages-artifact@v3
    with:
      path: ./ipynb
      name: ipynb

  - name: Setup HTML Pages
    uses: actions/configure-pages@v5

  - name: Upload HTML artifact
    uses: actions/upload-pages-artifact@v3
    with:
      path: ./docs
      name: html

deploy:
needs: build
if: github.ref == 'refs/heads/main'
permissions:
pages: write
id-token: write

environment:
  name: github-pages
  url: ${{ steps.deployment.outputs.page_url }}

runs-on: ubuntu-latest
steps:
  - name: Deploy JupyterLite site to GitHub Pages
    id: deployment_jupyterlite
    uses: actions/deploy-pages@v4
    with:
      publish_dir: ./ipynb
      name: ipynb