[MISC] Release spark8t 1.4.0 (#184)

Author: Batalex

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "spark8t"
-version = "1.3.1"
+version = "1.4.0"
 description = "This project provides some utilities function and CLI commands to run Spark on K8s."
 authors = [{ name = "Canonical Processing team" }]
 urls = { contact = "https://matrix.to/#/%23charmhub-analytics%3Aubuntu.com" }