community/oq: upgrade to 1.3.3

https://github.com/Blacksmoke16/oq/releases/tag/v1.3.3

v1.3.2...v1.3.3

Changes

• Bump min Crystal version to ~> 1.4 by @Blacksmoke16 in #106

Fixes

• Use empty IO on null input by @Blacksmoke16 in #107