Changelog for v1.5.0 (#311)

Author: philrz

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v1.5.0
+* The Suricata shaper now places the `event_type` to the left of `ts` to improve tile placement in Zui (#308)
+* Advance Zed dependency to include recent fixes/enhancements
+
 ## v1.4.1
 * Update bundled Suricata to [v5.0.3-brim5](https://github.com/brimdata/build-suricata/releases/tag/v5.0.3-brim5), which fixes [zui/2715](https://github.com/brimdata/zui/issues/2715) (#305)