v0.2.3

PosteriorStats v0.2.3

Diff since v0.2.2

Merged pull requests:

• Bump julia-actions/setup-julia from 1 to 2 (#28) (@dependabot[bot])
• Bump julia-actions/cache from 1 to 2 (#30) (@dependabot[bot])
• Fix downgrade CI workflow (#32) (@sethaxen)