gnu: ruby: Update replacement to 2.3.3.

* gnu/packages/ruby.scm (ruby)[replacement]: Update to 2.3.3.
(ruby-2.3.2): Replace this ...
(ruby-2.3.3): ... with this.

gnu/packages/ruby.scm

@@ -47,7 +47,7 @@
 (define-public ruby
   (package
     (name "ruby")
-    (replacement ruby-2.3.2)
+    (replacement ruby-2.3.3)
     (version "2.3.1")
     (source
      (origin
@@ -102,10 +102,10 @@ a focus on simplicity and productivity.")
     (home-page "https://ruby-lang.org")
     (license license:ruby)))
 
-(define ruby-2.3.2
+(define ruby-2.3.3
   (package
     (inherit ruby)
-    (version "2.3.2")
+    (version "2.3.3")
     (source
      (origin
        (method url-fetch)
@@ -114,7 +114,7 @@ a focus on simplicity and productivity.")
                            "/ruby-" version ".tar.xz"))
        (sha256
         (base32
-         "031g76zxb2wp6988dmrpbqd98i17xi6l8q1115h83r2w0h8z6y2w"))
+         "1p0rfk0blrbfjcnv0vb0ha4hxflgkfhv9zbzp4vvld2pi31ahkqs"))
        (modules '((guix build utils)))
        (snippet `(begin
                    ;; Remove bundled libffi