Update main.yml

.github/workflows/main.yml

@@ -9,9 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-    container:
-      image: almalinux:8.5
+    runs-on: almalinux:8.5
     steps:
       - name: Install dependencies
         run: yum install -y openssh-clients cmake wget git gcc-c++ gcc-gfortran python39 bzip2 diffutils zlib-devel