Merge changes from apertis/v2020-security into apertis/v2020

webkit2gtk (2.30.4-1~deb10u1) buster-security; urgency=medium

  * Rebuild for buster-security.
  * debian/patches/force-single-process.patch:
    + Force the single-process mode in Evolution and Geary
  * debian/control:
    + Remove Breaks for Evolution < 3.34.1.
    + Remove build dependency on libwpebackend-fdo-1.0-dev.
    + Switch build dependency from libenchant-2-dev to libenchant-dev.

webkit2gtk (2.30.4-1) unstable; urgency=high

  * New upstream release.
  * The WebKitGTK security advisory WSA-2020-0008 lists the following
    security fixes in the latest versions of WebKitGTK:
    + CVE-2020-9952 (fixed in 2.28.3).
    + CVE-2020-9948, CVE-2020-9951 (fixed in 2.30.0).
    + CVE-2020-9983, CVE-2020-13584 (fixed in 2.30.3).

webkit2gtk (2.30.3-1) unstable; urgency=high

  * New upstream release