BQ - save execution_project in adapter-specific fields (#823)

* BQ - save execution_project in adapter-specific fields

* bugfix

Author: haritamar

macros/edr/dbt_artifacts/upload_dbt_invocation.sql

@@ -58,6 +58,10 @@
     {{ return('') }}
 {% endmacro %}
 
+{% macro bigquery__get_target_adapter_specific_fields() %}
+    {{ return({"execution_project": target.execution_project}) }}
+{% endmacro %}
+
 {% macro databricks__get_target_adapter_specific_fields() %}
     {{ return({"http_path": target.http_path}) }}
 {% endmacro %}