feat: rename master brand to main

Author: dunglas

README.md

@@ -9,11 +9,10 @@ It natively supports popular open formats including [JSON for Linked Data (JSON-
 Build a working and fully-featured CRUD API in minutes. Leverage the awesome features of the tool to develop complex and
 high performance API-first projects. Extend or override everything you want.
 
-[![GitHub Actions](https://github.com/api-platform/core/workflows/CI/badge.svg?branch=master)](https://github.com/api-platform/core/actions?query=workflow%3ACI+branch%3Amaster)
-[![AppVeyor](https://ci.appveyor.com/api/projects/status/grwuyprts3wdqx5l/branch/master?svg=true)](https://ci.appveyor.com/project/dunglas/dunglasapibundle/branch/master)
-[![Codecov](https://codecov.io/gh/api-platform/core/branch/master/graph/badge.svg)](https://codecov.io/gh/api-platform/core/branch/master)
+[![GitHub Actions](https://github.com/api-platform/core/workflows/CI/badge.svg?branch=main)](https://github.com/api-platform/core/actions?query=workflow%3ACI+branch%3Amain)
+[![Codecov](https://codecov.io/gh/api-platform/core/branch/main/graph/badge.svg)](https://codecov.io/gh/api-platform/core/branch/main)
 [![SymfonyInsight](https://insight.symfony.com/projects/92d78899-946c-4282-89a3-ac92344f9a93/mini.svg)](https://insight.symfony.com/projects/92d78899-946c-4282-89a3-ac92344f9a93)
-[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/api-platform/core/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/api-platform/core/?branch=master)
+[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/api-platform/core/badges/quality-score.png?b=main)](https://scrutinizer-ci.com/g/api-platform/core/?branch=main)
 
 ## Documentation
 

composer.json

@@ -124,7 +124,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.6.x-dev"
+            "dev-main": "2.7.x-dev"
         },
         "symfony": {
             "require": "^3.4 || ^4.4 || ^5.1"