chore(main): release 0.56.4 (#1519)

Co-authored-by: snowflake-release-please[bot] <105954990+snowflake-release-please[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.56.4](https://github.com/Snowflake-Labs/terraform-provider-snowflake/compare/v0.56.3...v0.56.4) (2023-02-17)
+
+
+### BugFixes
+
+* add nill check for grant_helpers ([#1518](https://github.com/Snowflake-Labs/terraform-provider-snowflake/issues/1518)) ([87689bb](https://github.com/Snowflake-Labs/terraform-provider-snowflake/commit/87689bb5b60c73bfe3d741c3da6f4f544f16aa45))
+* cleanup grant logic ([#1522](https://github.com/Snowflake-Labs/terraform-provider-snowflake/issues/1522)) ([0502c61](https://github.com/Snowflake-Labs/terraform-provider-snowflake/commit/0502c61e7211253d029a0bec6a8104738624f243))
+* future read on grants ([#1520](https://github.com/Snowflake-Labs/terraform-provider-snowflake/issues/1520)) ([db78f64](https://github.com/Snowflake-Labs/terraform-provider-snowflake/commit/db78f64e56d228f3236b6bdefbe9a9c18c8641e1))
+
 ## [0.56.3](https://github.com/Snowflake-Labs/terraform-provider-snowflake/compare/v0.56.2...v0.56.3) (2023-02-02)