Update actions/checkout

Author: PaulZhang12

.github/workflows/release_build.yml

@@ -149,7 +149,7 @@ jobs:
         sudo lshw -C display
     # Checkout the repository to the GitHub Actions runner
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
     - name: Update pip
       run: |
         sudo yum update -y