update ruby/rails/activeadmin matrix

[gigorok]

• remove ruby 2.5, 2.6 support
• add ruby 3.0, 3.1, 3.2, 3.3 support
• remove rails 5.2, 6.0 support
• add rails 6.1, 7.0, 7.1 support
• remove activeadmin 2.0, 2.6 support
• add activeadmin 2.14, 3.0, 3.1, 3.2 support

ActiveAdmin <= 3.0 is incompatible with Rails >= 7.1, due to conflict with railties

[gigorok]

Hello @workgena, Thanks for your contribution!

What do you think about the next suggestions?

• Following the "Ruby Lifecycle Timelines" (https://www.ruby-lang.org/en/downloads/branches/) let's support only v3.0, v3.1, v3.2, v3.3 ruby versions
• Following the "Maintenance Policy for Ruby on Rails" (https://guides.rubyonrails.org/maintenance_policy.html) let's support only v6.1, v7.0, v7.1 rails versions
• Let's support 3 last activeadmin versions: v3.0, v3.1, v3.2

[workgena]

Hi, agree.

I also want to add one older version of ActiveAadmin (might make upgrade easier for people) and gem still has good compatibility with activeadmin 2.x

Matrix is "not mixed" and versions of Ruby/Rails/AA are composed manually, - it makes more sense in terms of how people use ActiveAdmin. // not 100% sure about this approach, but I like it more

Supported version:

• Ruby
  • 3.0.z
  • 3.1.z
  • 3.2.z
  • 3.3.z
• Ruby on Rails
  • 6.1.z
  • 7.0.z
  • 7.1.z
• activeadmin
  • 2.14.0
  • 3.0.0
  • 3.1.0
  • 3.2.0

We can extend it if needed. For example, add Ruby 3.3 (but I don't know how to add preview version) Ruby 3.3 has been added.

[workgena]

Updated matrix of tested versions:

Ruby	Rails	ActiveAdmin	status
3.0	6.1	2.14	ok
3.0	6.1	3.0	ok
3.0	6.1	3.1	ok
3.0	6.1	3.2	ok
3.0	7.0	2.14	ok
3.0	7.0	3.0	ok
3.0	7.0	3.1	ok
3.0	7.0	3.2	ok
3.0	7.1	2.14	-
3.0	7.1	3.0	-
3.0	7.1	3.1	ok
3.0	7.1	3.2	ok
3.1	6.1	2.14	ok
3.1	6.1	3.0	ok
3.1	6.1	3.1	ok
3.1	6.1	3.2	ok
3.1	7.0	2.14	ok
3.1	7.0	3.0	ok
3.1	7.0	3.1	ok
3.1	7.0	3.2	ok
3.1	7.1	2.14	-
3.1	7.1	3.0	-
3.1	7.1	3.1	ok
3.1	7.1	3.2	ok
3.2	6.1	2.14	ok
3.2	6.1	3.0	ok
3.2	6.1	3.1	ok
3.2	6.1	3.2	ok
3.2	7.0	2.14	ok
3.2	7.0	3.0	ok
3.2	7.0	3.1	ok
3.2	7.0	3.2	ok
3.2	7.1	2.14	-
3.2	7.1	3.0	-
3.2	7.1	3.1	ok
3.2	7.1	3.2	ok
3.3	6.1	2.14	ok
3.3	6.1	3.0	ok
3.3	6.1	3.1	ok
3.3	6.1	3.2	ok
3.3	7.0	2.14	ok
3.3	7.0	3.0	ok
3.3	7.0	3.1	ok
3.3	7.0	3.2	ok
3.3	7.1	2.14	-
3.3	7.1	3.0	-
3.3	7.1	3.1	ok
3.3	7.1	3.2	ok

ActiveAdmin <= 3.0 is incompatible with Rails >= 7.1, due to conflict with railties:

activeadmin (~> 2.14.0) x86_64-linux was resolved to 2.14.0, which depends
on
      railties (< 7.1, >= 6.1)

    rails (~> 7.1.0) x86_64-linux was resolved to 7.1.0, which depends on
      railties (= 7.1.0)