master -> main (#190)

Author: keelerm84

.github/pull_request_template.md

@@ -1,7 +1,7 @@
 **Requirements**
 
 - [ ] I have added test coverage for new or changed functionality
-- [ ] I have followed the repository's [pull request submission guidelines](../blob/master/CONTRIBUTING.md#submitting-pull-requests)
+- [ ] I have followed the repository's [pull request submission guidelines](../blob/main/CONTRIBUTING.md#submitting-pull-requests)
 - [ ] I have validated my changes against all supported platform versions
 
 **Related issues**

.ldrelease/config.yml

@@ -5,7 +5,7 @@ repo:
   private: ruby-server-sdk-private
 
 branches:
-  - name: master
+  - name: main
   - name: 5.x
 
 publications:

README.md

@@ -3,7 +3,7 @@ LaunchDarkly Server-side SDK for Ruby
 
 [![Gem Version](https://badge.fury.io/rb/launchdarkly-server-sdk.svg)](http://badge.fury.io/rb/launchdarkly-server-sdk)
 
-[![Circle CI](https://circleci.com/gh/launchdarkly/ruby-server-sdk/tree/master.svg?style=svg)](https://circleci.com/gh/launchdarkly/ruby-server-sdk/tree/master)
+[![Circle CI](https://circleci.com/gh/launchdarkly/ruby-server-sdk/tree/main.svg?style=svg)](https://circleci.com/gh/launchdarkly/ruby-server-sdk/tree/master)
 [![RubyDoc](https://img.shields.io/static/v1?label=docs+-+all+versions&message=reference&color=00add8)](https://www.rubydoc.info/gems/launchdarkly-server-sdk)
 [![GitHub Pages](https://img.shields.io/static/v1?label=docs+-+latest&message=reference&color=00add8)](https://launchdarkly.github.io/ruby-server-sdk)