Bump version to 5.7

Author: AuroraLS3

Plan/api/build.gradle

@@ -11,7 +11,7 @@ compileJava {
     options.release = 8
 }
 
-def apiVersion = "5.6-R0.1"
+def apiVersion = "5.7-R0.1"
 
 publishing {
     repositories {

Plan/build.gradle

@@ -22,11 +22,11 @@ clean {
 
 allprojects {
     group = "com.djrapitops"
-    version = "5.6-SNAPSHOT"
+    version = "5.7-SNAPSHOT"
 
     ext {
         majorVersion = "5"
-        minorVersion = "6"
+        minorVersion = "7"
         buildVersion = providers.provider {
             def command = "git rev-list --count HEAD"
             def buildInfo = command.execute().text.trim()