update gemspec

Author: Lightning-

zabbixapi.gemspec

@@ -13,17 +13,17 @@ Gem::Specification.new do |spec|
 
   spec.name        = 'zabbixapi'
   spec.version     = ZabbixApi::VERSION
-  spec.authors     = ['Vasiliev D.V.', 'Ivan Evtuhovich']
-  spec.email       = ['vadv.mkn@gmail.com', 'evtuhovich@gmail.com']
+  spec.authors     = ['markt.de']
+  spec.email       = ['github-oss-noreply@markt.de']
 
   spec.summary     = 'Simple and lightweight ruby module for working with the Zabbix API'
   spec.description = 'Allows you to work with zabbix api from ruby.'
-  spec.homepage    = 'https://github.com/express42/zabbixapi'
+  spec.homepage    = 'https://github.com/markt-de/zabbixapi'
   spec.licenses    = 'MIT'
 
   spec.rubyforge_project = 'zabbixapi'
 
   spec.files         = ['CHANGELOG.md', 'LICENSE.md', 'README.md', 'zabbixapi.gemspec'] + Dir['lib/**/*.rb']
   spec.require_paths = 'lib'
-  spec.required_ruby_version = '>= 2.0.0'
+  spec.required_ruby_version = '>= 2.7.0'
 end