1.  Add `bin/get_size.py` so that `python bin/get_size.py plotly build`
    reports the number of files and total size in bytes of the `plotly`
    directory (where generated code is put) and the `build` directory
    that is populated by `python setup.py build`.

1.  Modify `codegen/__init__.py` and `./setup.py` so that
    `python setup.py --reformat=false` disables reformatting.

1.  Assign an empty string to the `data_docs` field of generated
    validators.  (This has a major impact because those docs are
    duplicated many times.)

1.  Alias name of base validator during import in
    `codegen/validators.py`.

1.  Remove the long list of CSS colors from help strings for color
    properties.

1.  Replace `super(Parent, self)` with `super()` in generated code.

1.  Drop use of sys.version_info and TYPE_CHECKING.  Removed the check
    for Python < 3.7 using `sys.version_info` and as a backup checking
    `typing.TYPE_CHECKING`; this saves a little space and also cleans
    up the code.

1.  Remove mention of Chart Studio and explicit enumeration of system
    font names from plotly.js / plot-schema.json so that this text
    isn't copied dozens of times into the plotly.py bundle.

1.  Introduce `_init_provided()` for `BaseFigure` and `BasePlotlyType`
    that calls a helper function `_initialize_provided()` to replace
    repetitions of:

```
_v = arg.pop("something", None)
_v = something if something is not None else _v
if _v is not None:
    self["something"] = _v
```

Original size of plotly/**/*.py: 42283582 bytes
Current size of plotly/**/*.py:  31931739 bytes
Change: -25%

1.  Update required version of `black` in `pyproject.toml` and `.circleci/config.yml`.
2.  Update Python version identifiers in `tool.black` section of `pyproject.toml` to include `py311` and `py312`.
3.  Modify invocation of `black` in `commands.py` to format with `py311`.
4.  Regenerate and reformat code.