README: DB API 2.0. supported versions update

Relates to #87

README.md

@@ -82,7 +82,7 @@ Different versions of the plugin support different combinations of Python and Ai
 
 `~=` means compatible release, see [PEP 440][pep-440-compatible-releases] for an explanation.
 
-[DB API 2.0 functionality](#python-db-api-20-family) requires `apache-airflow>=2.2` and `apache-airflow-providers-common-sql>=1.3`: earlier versions are not supported.
+[DB API 2.0 functionality](#python-db-api-20-family) requires `apache-airflow>2.9.3` (strictly greater since versions up to 2.9.3 had an MRO-related bug, see [#87](https://github.com/bryzgaloff/airflow-clickhouse-plugin/issues/87)) and `apache-airflow-providers-common-sql>=1.3`: earlier versions are not supported.
 
 Previous versions of the plugin might require `pandas` extra: `pip install airflow-clickhouse-plugin[pandas]==0.11.0`. Check out earlier versions of `README.md` for details.
 
@@ -386,6 +386,7 @@ Community contributors:
 * Anton Bezdenezhnykh, [@GaMeRaM](https://github.com/GaMeRaM)
 * Andrey, [@bobelev](https://github.com/bobelev)
 * Misha Epikhin, [@epikhinm](https://github.com/epikhinm)
+* igor, [@cra](https://github.com/cra)
 
 
 [airflow]: https://airflow.apache.org/