chore: fix linters

lib/tantiny/errors.rb

@@ -5,7 +5,7 @@ class TantivyError < StandardError; end
 
   class IndexWriterBusyError < StandardError
     def initialize
-      msg = "Failed to acquire an index writer. "\
+      msg = "Failed to acquire an index writer. " \
         "Is there an active index with an exclusive writer already?"
 
       super(msg)

lib/tantiny/index.rb

@@ -103,10 +103,10 @@ def search(query, limit: DEFAULT_LIMIT, **smart_query_options)
 
     private
 
-    def slice_document(document, fields, &block)
+    def slice_document(document, fields, &)
       fields.inject({}) do |hash, field|
         hash.tap { |h| h[field.to_s] = resolve(document, field) }
-      end.compact.transform_values(&block)
+      end.compact.transform_values(&)
     end
 
     def resolve(document, field)

lib/tantiny/schema.rb

@@ -12,7 +12,7 @@ class Schema
       :facet_fields,
       :field_tokenizers
 
-    def initialize(tokenizer, &block)
+    def initialize(tokenizer, &)
       @default_tokenizer = tokenizer
       @id_field = :id
       @text_fields = []
@@ -23,7 +23,7 @@ def initialize(tokenizer, &block)
       @facet_fields = []
       @field_tokenizers = {}
 
-      instance_exec(&block)
+      instance_exec(&)
     end
 
     def tokenizer_for(field)