dependency can not be resolved due to incoming jcenter shutdown

dependency `com.getkeepsafe.relinker:relinker:1.4.1` fails to resolve due to the upcoming jcenter shutdown:
https://jfrog.com/blog/jcenter-sunset/


https://github.com/cketti/SafeContentResolver/blob/714d2ab8e97b32b1260594eaa21bb806d9904a80/SafeContentResolver-v14/build.gradle#L26