Use latest Spring Framework 6.0.x version

Closes gh-41865

Author: snicoll

gradle.properties

@@ -14,7 +14,7 @@ kotlinVersion=1.9.25
 mavenVersion=3.9.4
 nativeBuildToolsVersion=0.9.28
 springFrameworkVersion=6.1.12
-springFramework60xVersion=6.0.21
+springFramework60xVersion=6.0.23
 tomcatVersion=10.1.28
 
 kotlin.stdlib.default.dependency=false