Add explanation of the Presto Kerberos + SSL + snowflake problem (#12939

)

airflow/providers/presto/ADDITIONAL_INFO.md

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+
+## Additional limitations
+
+The presto provider might not work correctly with Kerberos + SSL when it is installed together with the
+Snowflake provider. It's because of Snowflake monkeypatching the urllib3
+library as described in [this issue](https://github.com/snowflakedb/snowflake-connector-python/issues/324)
+the offending code is [here](https://github.com/snowflakedb/snowflake-connector-python/blob/133d6215f7920d304c5f2d466bae38127c1b836d/src/snowflake/connector/network.py#L89-L92)
+
+In the future Snowflake plans to get rid of the monkeypatching.
+
+You can keep track of [the issue](https://github.com/apache/airflow/issues/12881) in order to know when the
+issue will be resolved.