Rename default branch to main

Author: deepy

.github/workflows/update-javadoc.yml

@@ -2,7 +2,7 @@ name: Update Javadoc
 on:
   push:
     branches:
-      - master
+      - main
 jobs:
   linux:
     runs-on: ubuntu-latest

README.md

@@ -2,7 +2,7 @@
 
 # Gradle Plugin for Node
 
-![Build Status](https://github.com/node-gradle/gradle-node-plugin/workflows/Build/badge.svg?branch=master)
+![Build Status](https://github.com/node-gradle/gradle-node-plugin/workflows/Build/badge.svg?branch=main)
 [![License](https://img.shields.io/github/license/node-gradle/gradle-node-plugin.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)
 ![Version](https://img.shields.io/badge/Version-7.0.1-orange.svg)
 

RELEASE-CHECKLIST.md

@@ -2,11 +2,11 @@
 
 ## Conditions
 
-- [ ] All Tests Passing in the `master` branch
+- [ ] All Tests Passing in the `main` branch
 
 ## Preparation
 
-- [ ] Checkout the `master` branch
+- [ ] Checkout the `main` branch
 - [ ] Add a link to this new version to the Release History in the `README.md` file and mark it as the current one
 - [ ] Add the version and its changes to the `CHANGELOG.md` file
 - [ ] Replace all the occurrences of the former latest version by this version in all the docs files