Bump version to new alpha

.changes/0.0.0.md

@@ -0,0 +1,3 @@
+## Previous Releases
+For information on prior major and minor releases, see their changelogs:
+- [1.8](https://github.com/dbt-labs/dbt-postgres/blob/1.8.latest/CHANGELOG.md)

CHANGELOG.md

@@ -5,38 +5,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html),
 and is generated by [Changie](https://github.com/miniscruff/changie).
 
-## dbt-postgres 1.8.0-b5 - April 29, 2024
-
-### Features
-
-* Debug log when `type_code` fails to convert to a `data_type`
-
-### Fixes
-
-* remove materialized views from renambeable relation and remove a quote
-* Replace usage of `Set` with `List` to fix issue with index updates intermittently happening out of order
-
-## dbt-postgres 1.8.0-b2 - April 03, 2024
-
-### Under the Hood
-
-* Add unit test for transaction semantics.
-
-### Dependencies
-
-* add "no-binary" install option
-* Add `dbt-core` as a dependency to preserve backwards compatibility for installation
-
-### Security
-
-* Pin `black>=24.3` in `pyproject.toml`
-
-## dbt-postgres 1.0.8-b3 - April 16, 2024
-
-### Fixes
-
-* Determine `psycopg2` based on `platform_system` (Linux or other), remove usage of `DBT_PSYCOPG2_NAME` environment variable
-
-### Under the Hood
-
-* Update dependabot configuration to cover GHA
+## Previous Releases
+For information on prior major and minor releases, see their changelogs:
+- [1.8](https://github.com/dbt-labs/dbt-postgres/blob/1.8.latest/CHANGELOG.md)

dbt/adapters/postgres/__version__.py

@@ -1 +1 @@
-version = "1.8.0b5"
+version = "1.9.0a1"