migrate to newer rails

puppet-extensions.spec

 %if 0%{?_version:1}
 %define _verstr      %{_version}
 %else
-%define _verstr      0.0.17
+%define _verstr      0.0.18
 %endif
 
 # puppetserver still runs a ruby 1.9.3 kind JRuby
 %define gems trocla iuid base32 ip formatador systemu hashdiff open4 acme-client public_suffix ed25519
-%define version_gems1 activerecord --version '~> 4.2.9'
-%define version_gems2 actionmailer --version '~> 4.2.9'
+%define version_gems1 activerecord --version '~> 6.0.3'
+%define version_gems2 actionmailer --version '~> 6.0.3'
 # we don't need sinatra oder openoffice in jruby
 %define mrionly_gems sinatra roo simpleidn sha3
 %if 0%{?rhel} >= 8