Merge pull request #2221 from aria2/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Linux setup
       if: runner.os == 'Linux'
       run: |