Single Hpp File - v.8.3.0

• Breaking changes
  • None
• New features
  • CustomReporter::create() adds flexibility for adding custom merge tools: see How To Use A Custom Reporter (#43)
  • Add support for Araxis Merge on Mac
  • Added support for GitHub Actions CI system - see Build Machines and Continuous Integration servers
• Bug fixes
  • Reporters now respect the arguments they are supplied with (#82)
• Other changes
  • Document How to Submit a New Reporter to ApprovalTests.
  • Lots of refactoring around reporters
  • Added
    • ApprovalTests::FileUtils::readFileThrowIfMissing() and
    • ApprovalTests::FileUtils::readFileReturnEmptyIfMissing()