SNOW-1333163 support for default proxy#997

sfc-gh-knozderko wants to merge 10 commits intomastersnowflakedb/snowflake-connector-net:masterfrom

SNOW-1333163_support_for_default_proxysnowflakedb/snowflake-connector-net:SNOW-1333163_support_for_default_proxyCopy head branch name to clipboard