update R-CMD-check badge

Author: mountainMath

README.md

@@ -1,6 +1,6 @@
 # cancensus
 
-[![R build status](https://github.com/mountainMath/cancensus/workflows/R-CMD-check/badge.svg)](https://github.com/mountainMath/cancensus/actions)
+[![R-CMD-check](https://github.com/mountainMath/cancensus/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/mountainMath/cancensus/actions/workflows/R-CMD-check.yaml)
 [![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/cancensus)](https://cran.r-project.org/package=cancensus)
 [![CRAN_Downloads_Badge](https://cranlogs.r-pkg.org/badges/cancensus)](https://cranlogs.r-pkg.org/badges/cancensus)