Update versions and Spring Boot 2.4 sentences

Author: fbiville

README.adoc

@@ -3,9 +3,9 @@
 // tag::properties[]
 :groupId: org.neo4j.driver
 :artifactId: neo4j-java-driver-spring-boot-starter
-:neo4j-java-driver-spring-boot-starter_version: 4.1-SNAPSHOT
-:spring-boot_version: 2.3.5.RELEASE
-:neo4j_version: 4.0.8
+:neo4j-java-driver-spring-boot-starter_version: 4.1.1.1
+:spring-boot_version: 2.3.7.RELEASE
+:neo4j_version: 4.2.1
 :config_prefix: org.neo4j.driver
 :gh_base: https://github.com/neo4j/neo4j-java-driver-spring-boot-starter
 
@@ -18,9 +18,9 @@ image:https://img.shields.io/maven-central/v/org.neo4j.driver/neo4j-java-driver-
 A Spring Boot starter with automatic configuration for the https://github.com/neo4j/neo4j-java-driver[Neo4j Java Driver].
 --
 
-IMPORTANT: This project will be superseded by the automatic configuration in Spring Boot 2.4.
-           Spring Boot 2.4 will include the same means of configuring a standalone Neo4j Driver instance, including the same health checks.
-           There will be a dedicated starter for Spring Data Neo4j 6 (formerly known as SDN/RX).
+IMPORTANT: This project is now superseded by the automatic configuration in Spring Boot 2.4.
+           Spring Boot 2.4 includes the same means of configuring a standalone Neo4j Driver instance, including the same health checks.
+           There is a dedicated starter for Spring Data Neo4j 6 (formerly known as SDN/RX).
 
 == Introduction