Sqlalchemy 2.0 changes for test_scheduler_job.py (#59823)

* Compatibility updates for sqlalchemy 2.0

* Fixes for review comments

* Fixes for review comments

* More fixes for review comments

Author: kunaljubce

.pre-commit-config.yaml

@@ -455,6 +455,7 @@ repos:
             ^airflow-core/tests/unit/utils/test_cli_util.py$|
             ^airflow-core/tests/unit/timetables/test_assets_timetable.py$|
             ^airflow-core/tests/unit/assets/test_manager.py$|
+            ^airflow-core/tests/unit/jobs/test_scheduler_job.py$|
             ^airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_dag_run.py$|
             ^airflow-core/tests/unit/ti_deps/deps/test_runnable_exec_date_dep.py$|
             ^airflow-core/tests/unit/models/test_dagwarning.py$|