Release 5.7.7

gradle.properties

@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.31
 springBootVersion=2.4.2
 springFrameworkVersion=5.3.25
 openSamlVersion=3.4.6
-version=5.7.7-SNAPSHOT
+version=5.7.7
 kotlinVersion=1.6.21
 samplesBranch=5.7.x
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError