Release v1.9.1 (#649)

* Release v1.9.1

* Update CHANGELOG.md

* Update v1.9.1.md

---------

Co-authored-by: adrianburusdbt <adrianburusdbt@users.noreply.github.com>
Co-authored-by: Adrian <adrian.burus@dbtlabs.com>

Author: github-actions[bot]

.changes/unreleased/Behind the scenes-20260304-140927.yaml

@@ -0,0 +1,9 @@
+# [v1.9.1](https://github.com/dbt-labs/terraform-provider-dbtcloud/compare/v1.9.0...v1.9.1)
+### Changes
+* Added execution project to bq sl resource
+* Updates the API route used for Private Endpoints
+### Fixes
+* Handle unknown values for tf validate
+* Omit deployment_type when clearing instead of sending ""
+### Behind the scenes
+* CI enhancements

.changes/unreleased/Behind the scenes-20260309-182336.yaml

@@ -6,6 +6,16 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html),
 and is generated by [Changie](https://github.com/miniscruff/changie).
 
 
+# [v1.9.1](https://github.com/dbt-labs/terraform-provider-dbtcloud/compare/v1.9.0...v1.9.1)
+### Changes
+* Added execution project to bq sl resource
+* Updates the API route used for Private Endpoints
+### Fixes
+* Handle unknown values for tf validate
+* Omit deployment_type when clearing instead of sending ""
+### Behind the scenes
+* CI enhancements
+
 # [v1.9.0](https://github.com/dbt-labs/terraform-provider-dbtcloud/compare/v1.8.2...v1.9.0)
 ### Fixes
 * Remove test parallelism