release: prepare for 3.27.90

NEWS

+Major changes in 3.27.90:
+* Enable closing tabs by middle-clicking (Carlos Soriano)
+* Rename “favorite” files to “starred” (Carlos Soriano)
+* Fix starring files with special characters (Carlos Soriano)
+* Ellipsize tab labels less aggressively for large numbers of tabs (António Fernandes)
+* Fix infinite loop when extracting encrypted archives (Ernestas Kulik)
+* Remove support for external bulk rename tools (Carlos Soriano)
+* Only show option to star files in indexed locations (Carlos Soriano)
+* Fix batch renaming for files with special characters in metadata (Ernestas Kulik)
+* Refactor extension library (Ernestas Kulik)
+* Show notification when unstarring files and allow undo (Carlos Soriano)
+* Fix AppStream metadata being installed in a deprecated location (Jeremy Bicha)
+
 Major changes in 3.27.4:
 * Better touch support (Jan-Michael Brummer, Antonio Fernandes)
 * Remove desktop icons (Ernestas Kulik, Antonio Fernandes, Carlos Soriano)