Update dependencyUpgrades.adoc

Author: puneetbehl

src/en/guide/introduction/whatsNew/dependencyUpgrades.adoc

@@ -3,10 +3,10 @@ Grails {version} ships with the following dependency upgrades:
 * Groovy 3.0.7
 * Micronaut 3
 * Micronaut for Spring 4
-* GORM 7.1.0
+* GORM 7.2.0
 * Spring Framework 5.3
-* Spring Boot 2.5
+* Spring Boot 2.6
 * Gradle 7.2
 * Spock 2.0-groovy-3.0
-* Grails Testing Support 2.2.0
+* Grails Testing Support 2.3.0