Revert version to 2.1.0 (2.1.1 not released)

The logo + ruff-format fixes stay on master for green CI, but 2.1.1 was
never published to PyPI, so keep the package version at the released 2.1.0.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: g-filomena

cityImage/__init__.py

@@ -12,7 +12,7 @@
 from importlib import import_module
 from typing import Any
 
-__version__ = "2.1.1"
+__version__ = "2.1.0"
 
 _PUBLIC_SYMBOLS: dict[str, str] = {
     "AMENITY_GROUPS": "landuse",

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "cityImage"
-version = "2.1.1"
+version = "2.1.0"
 description = "A package for studying urban form and obtaining the computational Image of the City"
 readme = "README.md"
 requires-python = ">=3.10"