chore: add setting to prevent accidental editing of depende

Stream: PR reviews

[Johan Commelin]

The following PR makes a bunch of files read-only in VScode.

chore: add setting to prevent accidental editing of dependencies #10320

As far as I can tell, this is a good default. But I'm happy to hear what others think.

[Eric Rodriguez]

Sometimes it's nice to toy around in such files to figure out what's going on, but if this is easy to override in such cases all for itm

[Johan Commelin]

Ok, I kicked it on the queue