message: chore: branch renames in readme links
diff: [![NPM](https://img.shields.io/npm/v/@salesforce/core.svg)](https://www.npmjs.com/package/@salesforce/core)
  [![CircleCI](https://circleci.com/gh/forcedotcom/sfdx-core.svg?style=svg&circle-token=2377ca31221869e9d13448313620486da80e595f)](https://circleci.com/gh/forcedotcom/sfdx-core)
  -[![codecov](https://codecov.io/gh/forcedotcom/sfdx-core/branch/develop/graph/badge.svg)](https://codecov.io/gh/forcedotcom/sfdx-core)
  +[![codecov](https://codecov.io/gh/forcedotcom/sfdx-core/branch/main/graph/badge.svg)](https://codecov.io/gh/forcedotcom/sfdx-core)
  # Description
  @@ -16,7 +16,7 @@ If you are interested in contributing, please take a look at the [CONTRIBUTING](
  # Related Docs and Repositories
  -- [@salesforce/command](https://github.com/forcedotcom/cli-packages/tree/master/packages/command) - Contains base Salesforce CLI command, `SfdxCommand`.
  +- [@salesforce/command](https://github.com/forcedotcom/cli-packages/tree/main/packages/command) - Contains base Salesforce CLI command, `SfdxCommand`.
  - [@salesforce/plugin-generator](https://github.com/forcedotcom/sfdx-plugin-generate) - The generator plug-in for building plug-ins for Salesforce CLI.
  # Using TestSetup
  