widen acceptable range in tag list size comparison

[emmettbutler]

Motivation

This test failure https://github.com/DataDog/dd-trace-py/actions/runs/23545612388/job/68545970077?pr=17006 on a pull request that adds a new tag to all dd-trace-py spans

This one too https://github.com/DataDog/dd-trace-py/actions/runs/23545612388/job/68545887642?pr=17006

Workflow

1. ⚠️ Create your PR as draft ⚠️
2. Work on you PR until the CI passes
3. Mark it as ready for review
   • Test logic is modified? -> Get a review from RFC owner.
   • Framework is modified, or non obvious usage of it -> get a review from R&P team

🚀 Once your PR is reviewed and the CI green, you can merge it!

🛟 #apm-shared-testing 🛟

Reviewer checklist

• Anything but tests/ or manifests/ is modified ? I have the approval from R&P team
• A docker base image is modified?
  • the relevant build-XXX-image label is present
• A scenario is added, removed or renamed?
  • Get a review from R&P team

[github-actions]

CODEOWNERS have been resolved as:

tests/integration_frameworks/llm/utils.py                               @DataDog/ml-observability
tests/parametric/test_telemetry.py                                      @DataDog/system-tests-core @DataDog/apm-sdk-capabilities