Bump version from 1.2 to 1.3 in pyproject.toml

Author: CoCo-R38

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "Rheel-Data-Management"
-version = "1.2"
+version = "1.3"
 authors = [
   { name="CoCo_R", email="coco_snow@myyahoo.com" },
 ]
@@ -23,3 +23,4 @@ build-backend = "hatchling.build"
 
 [tool.hatch.build.targets.wheel]
 packages = ["src/rheelDM"]
+