Merge branch 'docs-fix-typo-reactive-caching' into 'master'

Fix typo in reactive caching docs

See merge request gitlab-org/gitlab!74742

doc/development/reactive_caching.md

@@ -228,7 +228,7 @@ self.reactive_cache_lease_timeout = 2.minutes
 - It defaults to 1 minute.
 
 ```ruby
-self.reactive_cache_lease_timeout = 1.minute
+self.reactive_cache_refresh_interval = 1.minute
 ```
 
 #### `self.reactive_cache_lifetime`