v0.19.0

CausalInference v0.19.0

Diff since v0.18.0

Use CliqueTrees.jl. Breaking change to Project.

Merged pull requests:

• Correcting title. (#160) (@mschauer)
• Update ges_basic_examples.md (#161) (@mschauer)
• Exact score based algorithm optimizations (#162) (@mwien)
• CompatHelper: bump compat for "MetaGraphs" to "0.8" (#163) (@github-actions[bot])
• Bump codecov/codecov-action from 4 to 5 (#164) (@dependabot[bot])
• Faster implementation of maximum cardinality search. (#168) (@samuelsonric)
• Update index.md (#169) (@mschauer)