Changelog from 3.9.3

Author: JonRowe

Changelog.md

@@ -1,5 +1,5 @@
 ### Development
-[Full Changelog](http://github.com/rspec/rspec-core/compare/v3.9.2...main)
+[Full Changelog](http://github.com/rspec/rspec-core/compare/v3.9.3...main)
 
 Enhancements:
 
@@ -8,6 +8,9 @@ Enhancements:
 * Add configuration for an error exit code (to disambiguate errored builds from failed builds
   by exit status). (Dana Sherson, #2749)
 
+# 3.9.3 / 2020-09-30
+[Full Changelog](http://github.com/rspec/rspec-core/compare/v3.9.2...v3.9.3)
+
 Bug Fixes:
 
 * Declare `ruby2_keywords` on `method_missing` for other gems. (Jon Rowe, #2731)