Update Selenium JAR file to the latest version

Author: harsha509

Diff for: examples/dotnet/SeleniumDocs/BaseTest.cs

@@ -17,7 +17,7 @@ public class BaseTest
         protected IWebDriver driver;
         protected Uri GridUrl;
         private Process _webserverProcess;
-        private const string ServerJarName = "selenium-server-4.16.1.jar";
+        private const string ServerJarName = "selenium-server-4.18.1.jar";
         private static readonly string BaseDirectory = AppContext.BaseDirectory;
         private const string RelativePathToGrid = "../../../../../";
         private readonly string _examplesDirectory = Path.GetFullPath(Path.Combine(BaseDirectory, RelativePathToGrid));

Diff for: examples/python/tests/conftest.py

@@ -113,7 +113,7 @@ def server_old(request):
                 os.path.abspath(__file__)
             )
         ),
-        "selenium-server-4.16.1.jar",
+        "selenium-server-4.18.1.jar",
     )
 
     def wait_for_server(url, timeout):
@@ -171,7 +171,7 @@ def server():
                 )
             )
         ),
-        "selenium-server-4.16.1.jar",
+        "selenium-server-4.18.1.jar",
     )
 
     args = [