[rubocop] Automatic corrections (#148)

Please review automatic changes proposed by `rubocop -a`.

Co-authored-by: alaz <[email protected]>

lib/legitbot/duckduckgo.rb

@@ -7,7 +7,13 @@ class DuckDuckGo < BotMatch
     # @fetch:url https://duckduckgo.com/duckduckgo-help-pages/results/duckduckbot/
     # @fetch:selector section.main article.content ul > li
     ip_ranges %w[
+      4.182.131.108
+      4.195.133.120
+      4.209.224.56
+      4.213.46.14
+      4.228.76.163
       13.89.106.77
+      20.3.1.178
       20.12.141.99
       20.40.133.240
       20.43.150.85
@@ -70,6 +76,7 @@ class DuckDuckGo < BotMatch
       20.193.25.197
       20.193.27.215
       20.193.45.113
+      20.195.108.47
       20.197.209.11
       20.197.209.27
       20.201.15.208
@@ -114,6 +121,7 @@ class DuckDuckGo < BotMatch
       40.119.232.215
       40.119.232.218
       40.119.232.251
+      51.8.71.117
       51.8.253.152
       51.104.146.225
       51.104.146.235
@@ -228,6 +236,8 @@ class DuckDuckGo < BotMatch
       104.43.55.117
       104.43.55.166
       104.43.55.167
+      108.141.83.74
+      172.169.17.165
       191.233.3.197
       191.233.3.202
       191.234.216.4