dependency for webimpress/http-middleware-compatibility is abandoned

[nclundsten]

suggested: psr/http-server-middleware

[michalbundyra]

@nclundsten Please see https://github.com/zendframework/zend-expressive-helpers/tree/release-5.0.0 branch and https://github.com/zendframework/zend-expressive-skeleton/projects/1? for more information.

We are currently working on Expressive 3.0 with PSR-15 support.