Document release 2.23.8 in CHANGELOG.md

Added release notes for version 2.23.8.

Document deprecation of '--save-cache' flag

Added deprecation notice for the '--save-cache' flag.

Update CHANGELOG for release 2.23.6

Update CHANGELOG.md for 2.23.5

Update CHANGELOG.md for 2.23.3

Changelog for 2.32.2

Update CHANGELOG.md for 2.23.1

Update CHANGELOG.md

Update changelog for 2.22.4 release

Update CHANGELOG.md for 2.22.3