Reduced tested against selenium versions to latest two

Author: emanlove

.github/workflows/CI.yml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         python-version: [3.8, 3.11]  # 3.12, pypy-3.9
         rf-version: [5.0.1, 6.1.1, 7.0]
-        selenium-version: [4.16.0, 4.17.2, 4.18.1, 4.19.0, 4.20.0, 4.21.0]
+        selenium-version: [4.20.0, 4.21.0]
         browser: [firefox, chrome, headlesschrome]  #edge
 
     steps: