Update main.yml

Author: ZhangHanDong

.github/workflows/main.yml

@@ -1,17 +1,19 @@
 name: CI
-
 on:
   push:
     branches: [ main ]
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: write 
+
 jobs:
   build:
     name: Build, Test and Deploy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4  # Update to v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -20,12 +22,8 @@ jobs:
           mkdir bin
           curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.14/mdbook-v0.4.14-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
           echo "$(pwd)/bin" >> $GITHUB_PATH
-      # - name: Install mdbook-toc
-      #   run: cargo install mdbook-toc
-      # - name: Install mdbook-mermaid
-      #   run: cargo install mdbook-mermaid
-      - run: mdbook build  # In case of custom book path: mdbook build path/to/mybook && mdbook test path/to/mybook
-      - uses: JamesIves/github-pages-deploy-action@4.1.7
+      - run: mdbook build
+      - name: Deploy 🚀
+        uses: JamesIves/github-pages-deploy-action@v4  # Update to v4
         with:
-          branch: main # The branch the action should deploy to.
-          folder: book # The folder the action should deploy.
+          folder: book  # The folder the action should deploy