In your bundle list, you can check and download a csv of all the components the bundle has. Then you can see all the fields (which you can review if they're being used in a search), records, scripts, etc.
Dependencies are a little harder when it comes to scripts. WebStorm has a nice "find usages" search if you've downloaded your scripts; I would assume Visual Studio Code has a similar function.
Or you can look at the deployments and see if anything shows up in execution logs/schedules/etc.