* FeatureToggle: Add toggle to use a new way of rotating tokens
* API: Add endpoints to perform token rotation, one endpoint for api request and one endpoint for redirectsd
* Auth: Aling not authorized handling between auth middleware and access
control middleware
* API: add utility function to get redirect for login
* API: Handle token rotation redirect for login page
* Frontend: Add job scheduling for token rotation and make call to token rotation as fallback in retry request
* ContextHandler: Prevent in-request rotation if feature flag is enabled and check if token needs to be rotated
* AuthN: Prevent in-request rotation if feature flag is enabled and check if token needs to be rotated
* Cookies: Add option NotHttpOnly
* AuthToken: Add helper function to get next rotation time and another function to check if token need to be rotated
* AuthN: Add function to delete session cookie and set expiry cookie
Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>
* AuthN: add utility functions to handle response and redirect after
successful login
* API: Reuse utility functions for logins if authnService flag is enabled
* AuthN: Add HookClient interface
* AuthN: Check if client implement authn.HookClient and call the hook if
it does
* AuthN: Convert refresh token hook into a client hook
