ruby_3_1,ruby_3_0,ruby_2_7: allow enabling dtrace support on linux

[viraptor]

Description of changes

Allow enabling dtrace on linux.

Verified to work with bpftrace -p (pid-of-ruby) -l:

sudo bpftrace -p 320064 -l
uprobe:/proc/320064/root/nix/store/fryagbkvxwrmqg4lrdhk0h4sd8q3kkxk-ruby-3.1.2/bin/ruby:__do_global_dtors_aux
uprobe:/proc/320064/root/nix/store/fryagbkvxwrmqg4lrdhk0h4sd8q3kkxk-ruby-3.1.2/bin/ruby:_dl_relocate_static_pie
(...)
usdt:/proc/320064/root/nix/store/fryagbkvxwrmqg4lrdhk0h4sd8q3kkxk-ruby-3.1.2/lib/libruby-3.1.2.so.3.1.2:ruby:array__create
usdt:/proc/320064/root/nix/store/fryagbkvxwrmqg4lrdhk0h4sd8q3kkxk-ruby-3.1.2/lib/libruby-3.1.2.so.3.1.2:ruby:cmethod__entry
(...)

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandbox = true set in nix.conf? (See Nix manual)
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 23.05 Release Notes (or backporting 22.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

[viraptor]

systemtap in theory depends on the kernel version. In practice it (currently) doesn't for the dtrace utility.
This may get less messy in the future.

I thought systemtap overrideable attribute will be easier to understand / provide a substitute for.

[viraptor]

Sorry for notification spam. GH got a bit carried away when changing base to staging :(