release: Update pyproject.toml version to 1.2.0

Author: nim65s

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "toolbox-parallel-robots"
-version = "1.1.0"
+version = "1.2.0"
 description = "Add your description here"
 readme = "README.md"
 authors = [