Prep for merge to main: udpate codecov [skip ci]

The codecov.io link now points to main branch.

Author: lread

README.adoc

@@ -4,11 +4,10 @@
 
 image:rewrite-clj-logo.png[rewrite-clj,270,60]
 
-// TODO: Update codecov from v1 to main branch
 https://cljdoc.org/d/rewrite-clj/rewrite-clj/CURRENT[image:https://cljdoc.org/badge/rewrite-clj/rewrite-clj[cljdoc]]
 https://github.com/clj-commons/rewrite-clj/actions?query=workflow%3A%22Unit+Tests%22[image:https://github.com/clj-commons/rewrite-clj/workflows/Unit%20Tests/badge.svg[Unit Tests]]
 https://github.com/clj-commons/rewrite-clj/actions?query=workflow%3A%22Native+Image+Tests%22[image:https://github.com/clj-commons/rewrite-clj/workflows/Native%20Image%20Tests/badge.svg[Native Image Tests]]
-https://codecov.io/gh/clj-commons/rewrite-clj[image:https://codecov.io/gh/clj-commons/rewrite-clj/branch/v1/graph/badge.svg[Code Coverage]]
+https://codecov.io/gh/clj-commons/rewrite-clj[image:https://codecov.io/gh/clj-commons/rewrite-clj/branch/main/graph/badge.svg[Code Coverage]]
 https://clojurians.slack.com/messages/CHB5Q2XUJ[image:https://img.shields.io/badge/slack-join_chat-brightgreen.svg[Join chat]]
 https://clojars.org/rewrite-clj[image:https://img.shields.io/clojars/v/rewrite-clj.svg[Clojars project]]