chore: bump version to 0.1.5 in pyproject.toml

Author: dkratzert

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "fastmolwidget"
-version = "0.1.4"
+version = "0.1.5"
 description = "A PyQt widget to display crystal structures"
 readme = "README.md"
 license = { file = "LICENSE" }