Fix link to Jakarta Mail

Closes spring-projectsgh-29694

framework-docs/src/docs/asciidoc/integration/email.adoc

@@ -8,7 +8,7 @@ This section describes how to send email with the Spring Framework.
 The following JAR needs to be on the classpath of your application in order to use
 the Spring Framework's email library:
 
-* The https://eclipse-ee4j.github.io/mail/[JavaMail / Jakarta Mail 1.6] library
+* The https://jakartaee.github.io/mail-api/[JavaMail / Jakarta Mail 1.6] library
 
 This library is freely available on the web -- for example, in Maven Central as
 `com.sun.mail:jakarta.mail`. Please make sure to use the latest 1.6.x version