Add `BR: rubygem(irb)`, which was previosly pulled in indirectly.

rubygem-pry.spec

@@ -2,7 +2,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 0.13.1
-Release: 4%{?dist}
+Release: 5%{?dist}
 Summary: An IRB alternative and runtime developer console
 License: MIT
 URL: http://pryrepl.org
@@ -18,6 +18,7 @@ BuildRequires: rubygems-devel
 BuildRequires: ruby
 BuildRequires: rubygem(bundler)
 BuildRequires: rubygem(coderay) => 1.1.0
+BuildRequires: rubygem(irb)
 BuildRequires: rubygem(method_source) => 0.8.1
 BuildRequires: rubygem(rspec)
 # editor specs fail if no editor is available (soft requirement)
@@ -98,6 +99,9 @@ popd
 %doc %{gem_instdir}/README.md
 
 %changelog
+* Wed Apr 07 2021 Vít Ondruch <vondruch@redhat.com> - 0.13.1-5
+- Add `BR: rubygem(irb)`, which was previosly pulled in indirectly.
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.13.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild