Increase version in file pyproject.toml to version 1.0.0

* Adapt package version in file pyproject.toml to first stable version
1.0.0.
* Add entry in file CHANGELOG.
1 job for 114-parameter-preprocess-is-undocumented in 1 minute and 4 seconds
Status Name Job ID Coverage
  Build
passed build:package #297070

00:01:04