Update copyright year to 2024 in asciidoc

src/doc/asciidoc/index.adoc

@@ -474,4 +474,4 @@ Or the following papers:
 * García, Boni, and Juan Carlos Dueñas. "https://www.rintonpress.com/journals/jweonline.html#v14n56[Web browsing automation for applications quality control]." _Journal of web engineering_ (2015): 474-502.
 
 == About
-Selenium-Jupiter (Copyright © 2017-2023) is an open-source project created and maintained by https://bonigarcia.dev/[Boni García] (https://twitter.com/boni_gg[@boni_gg]), licensed under the terms of https://www.apache.org/licenses/LICENSE-2.0[Apache 2.0 License]. This documentation (also available in link:selenium-jupiter.pdf[PDF]) is released under the terms of https://creativecommons.org/licenses/by-nc-sa/2.0/[CC BY-NC-SA 2.0].
+Selenium-Jupiter (Copyright © 2017-2024) is an open-source project created and maintained by https://bonigarcia.dev/[Boni García] (https://twitter.com/boni_gg[@boni_gg]), licensed under the terms of https://www.apache.org/licenses/LICENSE-2.0[Apache 2.0 License]. This documentation (also available in link:selenium-jupiter.pdf[PDF]) is released under the terms of https://creativecommons.org/licenses/by-nc-sa/2.0/[CC BY-NC-SA 2.0].