feat: add option to ignore default resolvers in opentelemetry

[cecchi]

🚨 IMPORTANT: Please do not create a Pull Request without creating an issue first.

Any change needs to be discussed before proceeding. Failure to do so may result in the rejection of
the pull request.

Description

• Adds an option to useOnResolve to skip resolvers that use the default resolver.
• Adds a corresponding option to useOpentelemetry to skip tracing fields that use the default resolver. This is equivalent to the ignoreTrivialResolveSpans option in @opentelemetry/instrumentation-graphql

Fixes #2132

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Added unit tests for both the enabled and disabled state of this flag.

Test Environment:

• OS: Mac 26
• NodeJS: 22.4.1

Checklist:

• I have followed the
  CONTRIBUTING doc and the
  style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Further comments

Unfortunately I did not realize @Akryum had proposed part of the same change in #2133 until I started to write this PR. This PR includes tests and the corresponding change to useOpentelemetry, so hopefully it can be merged.