gnu: Add ruby-grpc.

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

gnu/packages/ruby.scm

@@ -17783,6 +17783,29 @@ generation functionality.")
     (home-page "https://github.com/googleapis/common-protos-ruby")
     (license license:asl2.0)))
 
+(define-public ruby-grpc
+  (package
+    (name "ruby-grpc")
+    (version "1.62.0")
+    (source (origin
+              (method url-fetch)
+              (uri (rubygems-uri "grpc" version))
+              (sha256
+               (base32
+                "03z8yq0z228g6xxxq6s2mmslpv6psrdmi30dpmhysr4px16d897n"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:tests? #f))  ;; has no tests
+    ;; TODO remove third-party sources (zlib, upb, utf8-range, re2, c-ares,
+    ;; boringssl-with-bazel, address_sorting, abseil-cpp), see Makefile
+    (propagated-inputs (list ruby-google-protobuf
+                             ruby-googleapis-common-protos-types))
+    (synopsis "GRPC system in Ruby")
+    (description "GRPC is a high performance, open-source universal RPC
+framework.  This package provides a ruby interface for it.")
+    (home-page "https://github.com/grpc/grpc/tree/master/src/ruby")
+    (license license:asl2.0)))
+
 ;;;
 ;;; Avoid adding new packages to the end of this file. To reduce the chances
 ;;; of a merge conflict, place them above by existing packages with similar