update Cargo.toml for release v3.0.0 (#1748)

update Cargo.toml for release v2.9.5 (#1733)

update Cargo.toml for release v2.9.4 (#1722)

update Cargo.toml for release v2.9.3 (#1705)

update Cargo.toml for release v2.9.2 (#1700)

update Cargo.toml for release v2.9.1 (#1680)

update Cargo.toml for release v2.9.0 (#1677)

update Cargo.toml for release v2.8.0 (#1656)

update Cargo.toml for release v2.7.2 (#1642)

update Cargo.toml for release v2.7.1 (#1639)