Update default branch reference from master to main (#36)

Signed-off-by: Carlos Panato <[email protected]>

Author: cpanato

.github/workflows/test.yaml

@@ -4,7 +4,8 @@ on:
   pull_request:
   push:
     branches:
-      - master
+      - main
+      - releases/*
 
 jobs:
   lint-test:

README.md

@@ -1,6 +1,6 @@
 # *Kind* Action
 
-[![](https://github.com/helm/kind-action/workflows/Test/badge.svg?branch=master)](https://github.com/helm/kind-action/actions)
+[![](https://github.com/helm/kind-action/workflows/Test/badge.svg?branch=main)](https://github.com/helm/kind-action/actions)
 
 A GitHub Action for Kubernetes IN Docker - local clusters for testing Kubernetes using [kubernetes-sigs/kind](https://kind.sigs.k8s.io/).