SECURITY-10386: bump version to 6.0.0

ROAD-4845

Co-authored-by: Laszlo Hammerl <laszlo.hammerl@emarsys.com>

Author: knagy

session-validator-client.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "session-validator-client"
-  s.version     = "5.1.2"
+  s.version     = "6.0.0"
   s.summary     = "Ruby client for Emarsys session validator service"
   s.authors     = ["Emarsys Technologies Ltd."]
   s.email       = "security@emarsys.com"