Update main.yml

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     container: almalinux:8.5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
       - name: Install dependencies
         run: yum install -y openssh-clients cmake wget git gcc-c++ gcc-gfortran python39 bzip2 diffutils zlib-devel
       - name: make dependencies folder