Changes in libsoup from 3.0.3 to 3.0.4:

* Fix HTTP/2 not properly handling socket timeouts [Carlos Garcia Campos]
* Improvements to test reliablity [Simon McVittie]
* Fix cross-compiling to Windows [Melroy van den Berg]
* Fix tests with development glib-networking [Patrick Griffis]
* Expose soup_uri_copy() to Vala [Jens Georg]