Release updates

[FlorianFreudiger]

Hi, I noticed that there have been a lot of changes since the last released version 0.4.8 from 2021.
For example I would like to use some of the new options like --toc and --url-line-prefix.

I know the easiest way would be to install the latest version directly from GitHub.
Unfortunately in my current corporate environment I cannot install packages this way, it must be through pypi.

So I would be grateful if a new version could be released after more than 4 years since the last.

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As a side note I noticed that there seems to be conflicting information as to which python version is required.
The Readme states

lazydocs/README.md

Line 41 in fc1b6fe

> _Requirements: Python 3.9+._

But the Python Badge references Python 3.6+

lazydocs/README.md

Line 12 in fc1b6fe

<a href="https://pypi.org/project/lazydocs/" title="Python Version"><img src="https://img.shields.io/badge/Python-3.6%2B-blue&style=flat"></a>

Meanwhile the pyproject.toml contains

lazydocs/pyproject.toml

Line 29 in fc1b6fe

target-version = ['py36', 'py37', 'py38']