modify snowflake runner to use private key to connect

[srikrishnak]

No description provided.

[EpsilonPrime]

Is there the private key already in our path somewhere? Or is that something we need to do separately?

[srikrishnak]

Is there the private key already in our path somewhere? Or is that something we need to do separately?

We need to generate the private-key first time using https://docs.snowflake.com/en/user-guide/key-pair-auth and set it up for our snowflake account. From second time, we can use the private key (stored somewhere locally)