Bumping version to 1.5.0b2 and generate changelog

.bumpversion.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.5.0b1
+current_version = 1.5.0b2
 parse = (?P<major>[\d]+) # major version number
 	\.(?P<minor>[\d]+) # minor version number
 	\.(?P<patch>[\d]+) # patch version number

.changes/1.5.0-b2.md

@@ -0,0 +1,5 @@
+## dbt-bigquery 1.5.0-b2 - March 02, 2023
+
+### Under the Hood
+
+- Rename constraints_enabled to contract ([#548](https://github.com/dbt-labs/dbt-bigquery/issues/548))

CHANGELOG.md

@@ -5,6 +5,14 @@
 - "Breaking changes" listed under a version may require action from end users or external maintainers when upgrading to that version.
 - Do not edit this file directly. This file is auto-generated using [changie](https://github.com/miniscruff/changie). For details on how to document a change, see [the contributing guide](https://github.com/dbt-labs/dbt-bigquery/blob/main/CONTRIBUTING.md#adding-changelog-entry)
 
+## dbt-bigquery 1.5.0-b2 - March 02, 2023
+
+### Under the Hood
+
+- Rename constraints_enabled to contract ([#548](https://github.com/dbt-labs/dbt-bigquery/issues/548))
+
+
+
 ## dbt-bigquery 1.5.0-b1 - February 22, 2023
 
 ### Features
@@ -27,7 +35,6 @@
 - [@dave-connors-3](https://github.com/dave-connors-3) ([#5260](https://github.com/dbt-labs/dbt-bigquery/issues/5260))
 - [@victoriapm](https://github.com/victoriapm) ([#444](https://github.com/dbt-labs/dbt-bigquery/issues/444))
 
-
 ## Previous Releases
 For information on prior major and minor releases, see their changelogs:
 * [1.4](https://github.com/dbt-labs/dbt-bigquery/blob/1.4.latest/CHANGELOG.md)

dbt/adapters/bigquery/__version__.py

@@ -1 +1 @@
-version = "1.5.0b1"
+version = "1.5.0b2"

setup.py

@@ -58,7 +58,7 @@ def _dbt_core_version(plugin_version: str) -> str:
 
 
 package_name = "dbt-bigquery"
-package_version = "1.5.0b1"
+package_version = "1.5.0b2"
 dbt_core_version = _dbt_core_version(_dbt_bigquery_version())
 description = """The BigQuery adapter plugin for dbt"""