ci: fix codecov badge

README.md

@@ -1,8 +1,7 @@
 ![rasusa](img/logo.png)
 
 [![Build Status](https://github.com/mbhall88/rasusa/actions/workflows/rust-ci.yaml/badge.svg?branch=main)](https://github.com/mbhall88/rasusa/actions/workflows/rust-ci.yaml)
-
-[//]: # ([![codecov](https://codecov.io/gh/mbhall88/rasusa/branch/main/graph/badge.svg)](https://codecov.io/gh/mbhall88/rasusa))
+[![codecov](https://codecov.io/gh/mbhall88/rasusa/branch/main/graph/badge.svg?token=hx9gUy5Bn9)](https://codecov.io/gh/mbhall88/rasusa)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![github release version](https://img.shields.io/github/v/release/mbhall88/rasusa)](https://github.com/mbhall88/rasusa/releases)
 [![DOI](https://joss.theoj.org/papers/10.21105/joss.03941/status.svg)](https://doi.org/10.21105/joss.03941)

justfile

@@ -10,4 +10,4 @@ test:
 
 # get coverage with tarpaulin
 coverage:
-    cargo tarpaulin -t 300 -- --test-threads 1
+    cargo tarpaulin -t 300 -- --test-threads 1 --out xml