Use mavenCentral() since jcenter is shutting down

[dovandung1165]

I noticed a warning in my React Native project when I build it on Android about this library: WARNING: Please remove usages of `jcenter()` Maven repository from your build scripts and migrate your build to other Maven repositories. Just want to be helped replace jcenter() from the build script and change to another as jcenter is deprecated and it will be shut down in the future.

[matteodanelli]

any idea on when this will be solved?

[matteodanelli]

I opened a PR https://github.com/react-native-masked-view/masked-view/pull/146