chore: updated codecov badge in README

README.md

@@ -1,7 +1,7 @@
 # jwtinfo
 
 [![build badge](https://github.com/lmammino/jwtinfo/workflows/Rust/badge.svg)](https://github.com/lmammino/jwtinfo/actions?query=workflow%3ARust)
-[![codecov](https://codecov.io/gh/lmammino/jwtinfo/branch/master/graph/badge.svg)](https://codecov.io/gh/lmammino/jwtinfo)
+[![codecov](https://codecov.io/gh/lmammino/jwtinfo/graph/badge.svg?token=jYukD16Axe)](https://codecov.io/gh/lmammino/jwtinfo)
 [![crates.io badge](https://img.shields.io/crates/v/jwtinfo.svg)](https://crates.io/crates/jwtinfo)
 [![Documentation](https://docs.rs/jwtinfo/badge.svg)](https://docs.rs/jwtinfo)
 [![rustc badge](https://img.shields.io/badge/rustc-1.40+-lightgray.svg)](https://blog.rust-lang.org/2019/12/19/Rust-1.40.0.html)