This release brings compatibility with the latest TYPO3 LTS version (v10) while keeping support for version 9.

Breaking changes:
- Drop support for TYPO3 v8 ([f928a64](https://github.com/cundd/rest/commit/f928a64))
- Fall back to getParsedBody() if the payload could not be decoded as JSON ([50fdf83](https://github.com/cundd/rest/commit/50fdf83))
- Add return and parameter types ([cb7ce21](https://github.com/cundd/rest/commit/cb7ce21))
- Add return and parameter types, const visibility and format code ([bc7035d](https://github.com/cundd/rest/commit/bc7035d))
- Raise minimum required PHP version to 7.2 ([0e909f0](https://github.com/cundd/rest/commit/0e909f0))
- Remove deprecated configureObjectManager() ([719254f](https://github.com/cundd/rest/commit/719254f))
- Remove support for deprecated class-based and deprecated vendor-less overwrites ([e6449fb](https://github.com/cundd/rest/commit/e6449fb))
- Remove deprecated Bootstrap class ([cd90455](https://github.com/cundd/rest/commit/cd90455))