Update Dismissible Banner with SeConf 2023 CFP CTA (SeleniumHQ#1162)

* Update Dismissible Banner with SeConf 2023 CFP CTA

* fix typo

Co-authored-by: Titus Fortner <[email protected]>
[deploy site]

Author: testbot206

website_and_docs/content/_index.en.html

@@ -14,10 +14,10 @@
 </div>
 {{< /blocks/cover >}}
 
-{{< dismissible-banner color="green" title="Selenium Conf India 2022" >}}
+{{< dismissible-banner color="green" title="Selenium Conference Chicago 2023" >}}
 <p>
-	Selenium Conf was a virtual event held on July 29-30, 2022! 
-	<a href="https://www.youtube.com/watch?v=A-Bal_xMEQ0&list=PL9Z-JgiTsOYRfoG_mcRBlTUIFPIknhQ6S" target='_blank' class="btn btn-light btn-sm active" role="button" aria-pressed="true">Watch the videos!</a>
+	The next SeleniumConf will be an in-person event in Chicago, March 28-30, 2023. The CFP is now open! 
+	<a href="https://seconf2023.wpengine.com/submit-talk/" target='_blank' class="btn btn-light btn-sm active" role="button" aria-pressed="true">Submit A Talk</a>
 </p>
 {{< /dismissible-banner >}}