chore: add vars for Rocky 8 and update meta

Author: koralowiec

.github/workflows/ci.yml

@@ -44,6 +44,8 @@ jobs:
         include:
           - distro: ubuntu2004
             ansible-version: '>=2.11.5'
+          - distro: rockylinux8
+            ansible-version: '>=2.11.5'
 
     steps:
       - name: Check out the codebase

meta/main.yml

@@ -11,6 +11,9 @@ galaxy_info:
     - name: Ubuntu
       versions:
         - focal
+    - name: EL
+      versions:
+        - "8"
   galaxy_tags:
     - development
     - system

vars/_rocky-8.yml

@@ -0,0 +1,5 @@
+# vars file
+---
+system_dependecies:
+  - libev-devel
+python_download_url: "https://cdn.rstudio.com/python/centos-8/pkgs"