improve(validation): add location to error messages

[KonstantinSimeonov]

Having no locations on errors can be frustrating when debugging errors on large schemas. Append a location to each error message in schema validation.

Before:

Error: Unknown directive "@id".

Unknown directive "@createdAt".

Unknown directive "@label".

Unknown directive "@updatedAt".

Unknown directive "@searchField".

Unknown directive "@label".

After:

Error: Unknown directive "@id". (254:11)

Unknown directive "@createdAt". (255:24)

Unknown directive "@label". (255:35)

Unknown directive "@updatedAt". (256:24)

Unknown directive "@searchField". (258:17)

Unknown directive "@label". (258:30)

[linux-foundation-easycla]

• ✅login: KonstantinSimeonov / (91e0b64)

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[JoviDeCroock]

I like this change, we however need to test these changes and as the messages change a lot I would target this to graphql:main instead.

[KonstantinSimeonov]

@JoviDeCroock I'll look into it