chore: fix lint

Author: Haroenv

spec/jekyll/algolia/indexer_spec.rb

@@ -632,7 +632,9 @@
     let(:pluginVersion) { nil }
     let(:diff_keys) { nil }
     let(:force_settings) { nil }
-    let(:settings) { Jekyll::Algolia::Configurator::ALGOLIA_DEFAULTS['settings'].merge({}) }
+    let(:settings) do
+      Jekyll::Algolia::Configurator::ALGOLIA_DEFAULTS['settings'].merge({})
+    end
 
     before do
       stub_const('Jekyll::Algolia::VERSION', pluginVersion)