Odd caching behaviour token validator

[Bdegraaf1234]

When we were fixing issues with ory integration in app-config, we encountered issues which seemned to be related to the caching behaviour in TokenValidator.kt.

We set the fetch timeout to 1 millisecond instead of 1 minute, so that if errors are encountered during fetching, there is (virtually) no wait time.

We should check if this is the desired behaviour