chore: release

Signed-off-by: Scott Donnelly <[email protected]>

chore: release

chore: release

chore: release

Signed-off-by: Scott Donnelly <[email protected]>

ci: ensure doctests get ran in CI

chore: bump version to 2.1.2

chore: version 3.0.0-beta.4

chore: release 3.0.0-beta.3

feat: rename ImmutableTree::optimize_from to new_from_slice. Update d…

…ocs and version to 3.0.0-beta.2

chore: release 3.0.0-beta.1