adapt versioning

Author: Frosty2500

server/app/pyproject.toml

@@ -17,7 +17,7 @@ build-backend = "setuptools.build_meta"
 # print(f"Project version: {version}")
 # ```
 root = "../.."  # Defines the path to the root of the repository
-version_file = "app/version.py"
+version_file = "./app/version.py"
 
 [project]
 name = "basyx-python-server"