Global config with updated_at timestamp

[BrandonOldenhof]

Hello!

I'm trying to improve our site performance by implementing some caching.

We're doing some calls to the global config in our templates so I'm trying to cache those calls. The best way, I think, would be to set a dynamic cache key based on an automatically-updated updated_at field, but I noticed my globals don't have that functionality.

I already found some documentation that points me in the direction of Computed Values. So my idea would be to manually add a updated_at date field to the global's blueprint and automatically update it using the Computed Values functionality, but I'm not sure if that would be the best way to go about it; it feels like overkill.

What would be the best way to get an automatically-updating updated_at value from my Globals so I can use it as part of a cache key?