require logger.gem and ostruct.gem

Since Ruby3.5 they are required,
and they are available on the older versions too

warning: logger was loaded from the standard library, but will no longer be part of the default gems starting from Ruby 3.5.0.

Author: mvidner

package/gem2rpm.yml

@@ -73,7 +73,9 @@
     Provides:       ruby-dbus = %{version}
     Obsoletes:      ruby-dbus < %{version}
 :preamble: |-
+  BuildRequires:  %{rubygem logger}
   BuildRequires:  %{rubygem nokogiri >= 1.12}
+  BuildRequires:  %{rubygem ostruct}
   BuildRequires:  %{rubygem packaging_rake_tasks}
   BuildRequires:  %{rubygem rake}
   BuildRequires:  %{rubygem rspec >= 3.9}

package/rubygem-ruby-dbus.spec

@@ -29,7 +29,9 @@ Release:        0
 %define mod_name ruby-dbus
 %define mod_full_name %{mod_name}-%{version}
 # MANUAL
+BuildRequires:  %{rubygem logger}
 BuildRequires:  %{rubygem nokogiri >= 1.12}
+BuildRequires:  %{rubygem ostruct}
 BuildRequires:  %{rubygem packaging_rake_tasks}
 BuildRequires:  %{rubygem rake}
 BuildRequires:  %{rubygem rspec >= 3.9}

ruby-dbus.gemspec

@@ -22,6 +22,7 @@ GEMSPEC = Gem::Specification.new do |s|
 
   s.required_ruby_version = ">= 2.4.0"
 
+  s.add_runtime_dependency "logger"
   # Either of rexml and nokogiri is required
   # but AFAIK gemspec cannot express that.
   # Nokogiri is recommended as rexml is dead slow.
@@ -30,6 +31,7 @@ GEMSPEC = Gem::Specification.new do |s|
 
   # workaround: rubocop-1.0 needs base64 which is no longer in stdlib in newer rubies
   s.add_development_dependency "base64"
+  s.add_development_dependency "ostruct"
   s.add_development_dependency "packaging_rake_tasks"
   s.add_development_dependency "rake"
   s.add_development_dependency "rspec", "~> 3"