gnu: Add ruby-globalid.

Required for ruby-activejob.

* gnu/packages/ruby.scm (ruby-globalid): New variable.

gnu/packages/ruby.scm

@@ -7533,3 +7533,27 @@ (define-public ruby-nio4r
 for scalable network clients and servers.")
    (home-page "https://github.com/socketry/nio4r")
    (license license:expat)))
+
+(define-public ruby-globalid
+  (package
+   (name "ruby-globalid")
+   (version "0.4.2")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (rubygems-uri "globalid" version))
+     (sha256
+      (base32
+       "1zkxndvck72bfw235bd9nl2ii0lvs5z88q14706cmn702ww2mxv1"))))
+   (build-system ruby-build-system)
+   (arguments
+    '(;; No included tests
+      #:tests? #f))
+   (propagated-inputs
+    `(("ruby-activesupport" ,ruby-activesupport)))
+   (synopsis "Generate URIs idenfitying model instances in Ruby")
+   (description
+    "@code{GlobalID} provides a way to generate URIs from a model in Ruby that
+uniquely identify it.")
+   (home-page "https://rubyonrails.org/")
+   (license license:expat)))