Next development version

docs/antora.yml

@@ -1,4 +1,3 @@
 name: ROOT
-version: '5.7.0-M3'
-prerelease: 'true'
-display_version: '5.7.0-M3'
+version: '5.7.0'
+prerelease: '-SNAPSHOT'

gradle.properties

@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.31
 springBootVersion=2.4.2
 springFrameworkVersion=5.3.17
 openSamlVersion=3.4.6
-version=5.7.0-M3
+version=5.7.0-SNAPSHOT
 kotlinVersion=1.6.20-RC
 samplesBranch=main
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError