Release 5.6.0-M2

gradle.properties

@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.28
 springBootVersion=2.4.2
 springFrameworkVersion=5.3.9
 openSamlVersion=3.4.6
-version=5.6.0-SNAPSHOT
+version=5.6.0-M2
 kotlinVersion=1.5.21
 samplesBranch=main
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError