wayback_machine_downloader: 2.2.1 -> 2.3.1

pkgs/applications/networking/wayback_machine_downloader/Gemfile

···
 # frozen_string_literal: true
 
-source 'https://rubygems.org' do
-  gem 'wayback_machine_downloader'
-end
+source 'https://rubygems.org'
+gem 'wayback_machine_downloader'

pkgs/applications/networking/wayback_machine_downloader/Gemfile.lock

···
 GEM
   remote: https://rubygems.org/
   specs:
-    wayback_machine_downloader (2.2.1)
+    wayback_machine_downloader (2.3.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  wayback_machine_downloader!
+  wayback_machine_downloader
 
 BUNDLED WITH
-   2.1.4
+   2.3.6

pkgs/applications/networking/wayback_machine_downloader/gemset.nix

···
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "12kb1qmvmmsaihqab1prn6cmynkn6cgb4vf41mgv22wkcgv5wgk2";
+      sha256 = "170426sashqc2k2angg8d0bhs7spi1x1isv6cyk2hif0l6xxm3cm";
       type = "gem";
     };
-    version = "2.2.1";
+    version = "2.3.1";
   };
 }