Set version to 1.4.0

Author: github-actions[bot]

Project.toml

@@ -1,7 +1,7 @@
 name = "Quaternionic"
 uuid = "0756cd96-85bf-4b6f-a009-b5012ea7a443"
 authors = ["Michael Boyle <michael.oliver.boyle@gmail.com>"]
-version = "1.3.2"
+version = "1.4.0"
 
 [deps]
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"