fix http to https

Thanks, we see:

   Found the following (possibly) invalid URLs:
     URL: http://makeapullrequest.com (moved to
https://makeapullrequest.com/)
       From: README.md
       Status: 200
       Message: OK

Please change http --> https, add trailing slashes, or follow moved
content as appropriate.

Please fix and resubmit.

README.Rmd

@@ -20,7 +20,7 @@ knitr::opts_chunk$set(
 ![](http://cranlogs.r-pkg.org/badges/healthyR.data?color=brightgreen)
 ![](http://cranlogs.r-pkg.org/badges/grand-total/healthyR.data?color=brightgreen)
 [![Lifecycle: stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html##stable)
-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](https://makeapullrequest.com)
 <!-- badges: end -->
 
 The goal of the { healthyR.data } package is to provide a simple yet feature rich

README.md

@@ -11,7 +11,7 @@
 [![Lifecycle:
 stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html##stable)
 [![PRs
-Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
+Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](https://makeapullrequest.com)
 <!-- badges: end -->
 
 The goal of the { healthyR.data } package is to provide a simple yet