Update README.md

Merge pull request pycaret#1476 from pycaret/fix_setup

Merge pull request pycaret#1431 from pycaret/2.3.2_update_prep

2.3.2 update preparations

update changelog.md

fixed typo in CHANGELOG.md

update version to 2.2.3

release 2.2.2 updates

update change lo

update README.md

Update CHANGELOG.md