Add project_id as a templated variable in two BQ operators (#24768)

Author: leahecole

airflow/providers/google/cloud/operators/bigquery.py

@@ -1871,6 +1871,7 @@ class BigQueryUpsertTableOperator(BaseOperator):
         'dataset_id',
         'table_resource',
         'impersonation_chain',
+        'project_id',
     )
     template_fields_renderers = {"table_resource": "json"}
     ui_color = BigQueryUIColors.TABLE.value
@@ -2086,6 +2087,7 @@ class BigQueryInsertJobOperator(BaseOperator):
         "configuration",
         "job_id",
         "impersonation_chain",
+        "project_id",
     )
     template_ext: Sequence[str] = (
         ".json",