Update ruby-logging package to 2.3.0.
== 2.3.0 / 2020-07-04
Enhancements
- all appender output is now synchronized [PR #219]
- renamed the `LogEvent#method` to no longer conflict with `Kernel#method`
[PR #218]
- @bhuga (not the Fortnite star) added a `raise_errors` method for debugging
[PR #203]
- thanks to @olleolleolle for keeping on top of Travis and Ruby versions
Bug Fixes
- conosle appenders can be reopened [PR #220]
- fixed a race condition in the rolling file appender [PR #216]
- fixed a race condition when opening log file destinations [PR #208#217]
- @MikaelSmith fixed a race condition in Logger creation [PR #201]
- documentation bug fixes [PR #184#185#188#194#209]