chore: release v0.4.0

[github-actions]

🤖 New release

• datafusion-federation: 0.3.7 -> 0.4.0 (⚠ API breaking changes)

⚠ datafusion-federation breaking changes

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.40.0/src/lints/inherent_method_missing.ron

Failed in:
  SQLTableSource::table_name, previously in file /tmp/.tmppptV6t/datafusion-federation/src/sql/schema.rs:141
  SQLSchemaProvider::new_with_table_sources, previously in file /tmp/.tmppptV6t/datafusion-federation/src/sql/schema.rs:41

--- failure method_requires_different_generic_type_params: method now requires a different number of generic type parameters ---

Description:
A method now requires a different number of generic type parameters than it used to. Uses of this method that supplied the previous number of generic types will be broken.
        ref: https://doc.rust-lang.org/reference/items/generics.html
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.40.0/src/lints/method_requires_different_generic_type_params.ron

Failed in:
  datafusion_federation::sql::SQLSchemaProvider::new_with_tables takes 1 generic types instead of 0, in /tmp/.tmps4A6bc/datafusion-federation/datafusion-federation/src/sql/schema.rs:32

Changelog

0.4.0 - 2025-04-14

Other

• Refactor the SQL implementation to include the SQLTable trait and add support for parameterized views. (#117)

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