Fix covr badge in readme (#1228)

* Fix covr badge target branch

* Fix badge as well as link

Author: shikokuchuo

README.Rmd

@@ -16,7 +16,7 @@ knitr::opts_chunk$set(
 
 <!-- badges: start -->
 [![CRAN_Status_Badge](https://www.r-pkg.org/badges/version/purrr)](https://cran.r-project.org/package=purrr)
-[![Codecov test coverage](https://codecov.io/gh/tidyverse/purrr/branch/master/graph/badge.svg)](https://app.codecov.io/gh/tidyverse/purrr?branch=master)
+[![Codecov test coverage](https://codecov.io/gh/tidyverse/purrr/graph/badge.svg)](https://app.codecov.io/gh/tidyverse/purrr)
 [![R-CMD-check](https://github.com/tidyverse/purrr/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/tidyverse/purrr/actions/workflows/R-CMD-check.yaml)
 <!-- badges: end -->
 

README.md

@@ -7,7 +7,7 @@
 
 [![CRAN_Status_Badge](https://www.r-pkg.org/badges/version/purrr)](https://cran.r-project.org/package=purrr)
 [![Codecov test
-coverage](https://codecov.io/gh/tidyverse/purrr/branch/master/graph/badge.svg)](https://app.codecov.io/gh/tidyverse/purrr?branch=master)
+coverage](https://codecov.io/gh/tidyverse/purrr/graph/badge.svg)](https://app.codecov.io/gh/tidyverse/purrr)
 [![R-CMD-check](https://github.com/tidyverse/purrr/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/tidyverse/purrr/actions/workflows/R-CMD-check.yaml)
 <!-- badges: end -->