Release 6.0.0-RC1

Author: github-actions[bot]

gradle.properties

@@ -5,7 +5,7 @@ springBootVersion=2.4.2
 springFrameworkVersion=6.0.0-RC1
 micrometerVersion=1.10.0-RC1
 openSamlVersion=4.1.1
-version=6.0.0-SNAPSHOT
+version=6.0.0-RC1
 kotlinVersion=1.7.20
 samplesBranch=main
 org.gradle.jvmargs=-Xmx3g -XX:+HeapDumpOnOutOfMemoryError