Suppress new RuboCop offenses

This commit suppresses the following new RuboCop offenses:

```console
Offenses:

lib/rubocop/cop/rails/squished_sql_heredocs.rb:71:49: W: [Correctable] Lint/SafeNavigationConsistency: Use . instead of unnecessary &..
          node.parent&.send_type? && node.parent&.method?(:squish)
                                                ^^
lib/rubocop/cop/rails/where_range.rb:92:43: W: [Correctable] Lint/SafeNavigationConsistency: Use . instead of unnecessary &..
          receiver&.send_type? && receiver&.method?(:where)
                                          ^^

296 files inspected, 2 offenses detected, 2 offenses autocorrectable
```

Author: koic

lib/rubocop/cop/rails/squished_sql_heredocs.rb

@@ -68,7 +68,7 @@ def sql_heredoc?(node)
         end
 
         def using_squish?(node)
-          node.parent&.send_type? && node.parent&.method?(:squish)
+          node.parent&.send_type? && node.parent.method?(:squish)
         end
 
         def singleline_comments_present?(node)

lib/rubocop/cop/rails/where_range.rb

@@ -89,7 +89,7 @@ def on_send(node)
 
         def where_not?(node)
           receiver = node.receiver
-          receiver&.send_type? && receiver&.method?(:where)
+          receiver&.send_type? && receiver.method?(:where)
         end
 
         # rubocop:disable Metrics