HISTORY.md in rspec-webservice_matchers-4.5.0 vs HISTORY.md in rspec-webservice_matchers-4.6.0

@@ -1,4 +1,9 @@
+4.6.0
+-----
+Added `# frozen_string_literal: true` to all ruby files using `rubocop -a`,
+in order to prepare for Ruby 3, and to reduce memory use.
+
 4.5.0
 -----
 Removed the Excon dependency entirely.
 
 4.4.3