Update rubocop

Author: nertzy

.rubocop.yml

@@ -107,3 +107,12 @@ RSpec/FilePath:
   CustomTransform:
     TSearch: "tsearch"
     DMetaphone: "dmetaphone"
+
+Layout/EmptyLinesAroundAttributeAccessor:
+  Enabled: true
+
+Lint/DeprecatedOpenSSLConstant:
+  Enabled: true
+
+Style/SlicingWithRange:
+  Enabled: true

pg_search.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |s| # rubocop:disable Metrics/BlockLength
   s.add_development_dependency 'pry'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec', '>= 3.3'
-  s.add_development_dependency 'rubocop', '>= 0.82.0'
+  s.add_development_dependency 'rubocop', '>= 0.84.0'
   s.add_development_dependency 'rubocop-performance'
   s.add_development_dependency 'rubocop-rails'
   s.add_development_dependency 'rubocop-rake'