docs: update

Author: typicode

README.md

@@ -18,7 +18,7 @@ db.write()
 
 ## Free for Open Source
 
-To help with OSS funding, lowdb v2 is released under Parity license for a limited time. It'll be released under MIT license once the __goal of 100 [sponsors](https://github.com/sponsors/typicode)__ is reached (currently at 55) or in five months.
+To help with OSS funding, lowdb v2 is released under Parity license for a limited time. It'll be released under MIT license once the __goal of 100 [sponsors](https://github.com/sponsors/typicode)__ is reached (currently at 57) or in five months.
 
 Meanwhile, lowdb v2 can be freely used in Open Source projects. Sponsors can use it in any type of project.