Merge pull request #45 from baoyachi/dependabot/github_actions/action…

…s/checkout-4

Bump actions/checkout from 2 to 4

.github/workflows/check.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: true
       - uses: actions-rs/toolchain@v1
@@ -99,7 +99,7 @@ jobs:
     needs: [ test ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -136,7 +136,7 @@ jobs:
     steps:
       - name: Set up Rust
         uses: hecrj/setup-rust-action@v2
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish
         shell: bash
         run: |