Updated supported Python and Selenium versions

Within setup.py and the Github Actions workflow updated supported
versions.

.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: [4.14.0, 4.15.2, 4.16.0]  #4.17.0, 4.18.0
+        selenium-version: [4.15.2, 4.16.0, 4.17.2, 4.18.1]
         browser: [firefox, chrome, headlesschrome]  #edge
 
     steps:

setup.py

@@ -13,9 +13,10 @@
 Operating System :: OS Independent
 Programming Language :: Python
 Programming Language :: Python :: 3
-Programming Language :: Python :: 3.6
-Programming Language :: Python :: 3.7
 Programming Language :: Python :: 3.8
+Programming Language :: Python :: 3.9
+Programming Language :: Python :: 3.10
+Programming Language :: Python :: 3.11
 Programming Language :: Python :: 3 :: Only
 Topic :: Software Development :: Testing
 Framework :: Robot Framework
@@ -40,7 +41,7 @@
     keywords         = 'robotframework testing testautomation selenium webdriver web',
     platforms        = 'any',
     classifiers      = CLASSIFIERS,
-    python_requires  = '>=3.6, <4',
+    python_requires  = '>=3.8, <4',
     install_requires = REQUIREMENTS,
     package_dir      = {'': 'src'},
     packages         = find_packages('src'),