Increase the browser upgrade dismissal duration
Increase the browser upgrade dismissal duration

As some users are not in a position to upgrade, eg, anywhere with restrictive IT policies and slow update rollout.

While we still want to re-remind users, we shouldn't do it too often. A month seems reasonable

tadast/static,tadast/static,robinwhittleton/static,alphagov/static,alphagov/static,kalleth/static,robinwhittleton/static,tadast/static,kalleth/static,robinwhittleton/static,kalleth/static,robinwhittleton/static,tadast/static,kalleth/static,alphagov/static