SNOW-66908: Bumping up version to 1.7.6

SNOW-65359: Bumping up version to 1.7.5

Bumping up version to 1.7.4

Bumping up version to 1.7.3

Bumping up version to 1.7.2

release 1.7.1

prep-1.7.0 (snowflakedb#131)

* Integrate with keyring for future enhancement
* Bumping up version to 1.7.0

added comment to the test case

Bumped up version to v1.6.11

Updated DESCRIPTION for snowflakedb#104 and snowflakedb#116