v2.2.0-alpha6

Changelog

• b63e12e Bump provider version in examples to 2.2.0-alpha6
• e45e738 add 400 status code handling in retry logic (#268)
• 6fe3c00 Tweak retry logic timing
• 399e27c Run e2e tests once a day
• 47d3d98 Log api request times and duration (#266)
• f88aef5 Enable debug log for all test runs. (#265)
• 34c76bc Improve validation of grant_privilege privilege_name. (#263)
• b5d43f0 Remove alpha docs from main branch