Bump package version to 1.5.0 (#278)

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Author: lostella

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "chronos-forecasting"
-version = "1.4.1"
+version = "1.5.0"
 authors = [
   { name="Abdul Fatir Ansari", email="[email protected]" },
   { name="Lorenzo Stella", email="[email protected]" },