Rename default branch to main

Signed-off-by: Stefan Büringer buringerst@vmware.com

.github/workflows/golangci-lint.yml

@@ -4,7 +4,6 @@ on:
     types: [opened, edited, synchronize, reopened]
     branches:
       - main
-      - master
 
 permissions:
   # Required: allow read access to the content for analysis.

.github/workflows/tools-releases.yml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - master
     paths:
       - 'hack/envtest/_matrix/*.yaml'
 

README.md

@@ -1,5 +1,5 @@
 [![Go Reference](https://pkg.go.dev/badge/sigs.k8s.io/controller-tools.svg)](https://pkg.go.dev/sigs.k8s.io/controller-tools)
-[![Build Status](https://travis-ci.org/kubernetes-sigs/controller-tools.svg?branch=master)](https://travis-ci.org/kubernetes-sigs/controller-tools "Travis")
+[![Build Status](https://travis-ci.org/kubernetes-sigs/controller-tools.svg?branch=main)](https://travis-ci.org/kubernetes-sigs/controller-tools "Travis")
 [![Go Report Card](https://goreportcard.com/badge/sigs.k8s.io/controller-tools)](https://goreportcard.com/report/sigs.k8s.io/controller-tools)
 
 # Kubernetes controller-tools Project