Lunr.Locator 0.8.0
General:
- Set minimum required PHP version to 8.1
- Require phpunit 9.5.x
- Switch to SPDX license headers
- Make repo REUSE compliant
CI:
- Fix codestyle issue and require passing phpcs in github actions
- Bump phpstan to level 3 and make it required for a build to pass
PHPStan plugins:
- Add method return type extension for when ConfigServiceLocator is used as ContainerInterface