fix action-gh-pages version typo

Author: unkcpz

.github/workflows/deploy.yml

@@ -16,19 +16,16 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: wasm32-unknown-unknown
-      - name: install wasm-bindgen-cli
-        run: |
-          cargo install wasm-bindgen-cli
 
       - name: Install wasm-pack
         run: |
-          curl https://drager.github.io/wasm-pack/installer/init.sh -sSf | sh
+          cargo binstall wasm-pack
 
       - name: Build WASM
         run: wasm-pack build --target web
 
       - name: Deploy to gh-pages
-        uses: peaceiris/actions-gh-pages@v6
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_branch: gh-pages