bump version for new release

[saurabh1002]

No description provided.

[Copilot]

Pull request overview

Bumps the project version to 2.1.0 for the upcoming release across the Python package metadata and the CMake projects.

Changes:

• Update Python package version in pyproject.toml.
• Update runtime __version__ in map_closures/__init__.py.
• Update CMake project versions for both the Python bindings and the C++ project.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
python/pyproject.toml	Bumps the Python package version to 2.1.0 in packaging metadata.
python/map_closures/init.py	Keeps the exported __version__ in sync with the release version.
python/CMakeLists.txt	Updates the Python bindings CMake project version to 2.1.0.
cpp/CMakeLists.txt	Updates the C++ CMake project version to 2.1.0.

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