Update reference.conf

Author: firehooper

core/src/main/resources/reference.conf

@@ -5,7 +5,7 @@ akka.http.session {
     path = /
     secure = false
     http-only = true
-    same-site = None
+    same-site = Lax
   }
   header {
     send-to-client-name = "Set-Authorization"
@@ -27,7 +27,7 @@ akka.http.session {
       path = /
       secure = false
       http-only = false
-      same-site = None
+      same-site = Lax
     }
     submitted-name = "X-XSRF-TOKEN"
   }
@@ -39,7 +39,7 @@ akka.http.session {
       path = /
       secure = false
       http-only = true
-      same-site = None
+      same-site = Lax
     }
     header {
       send-to-client-name = "Set-Refresh-Token"