[dotnet] enable process tags tests

[vandonr]

Motivation

Enable the system tests that test implementation of process tags.
Covers those 3 PRs :

• Tracing [Tracer] Add new process tags dd-trace-dotnet#7651
• Telemetry Add process tags to telemetry dd-trace-dotnet#7780
• Remote config Add process tags to remote config dd-trace-dotnet#7840

Changes

simply enabled disabled tests.
Targeting v3.33 of the dotnet library, which should be the first release after re:invent, and should be the first one with the remote config change merged in.

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

• If PR title starts with [<language>], double-check that only <language> is impacted by the change
• No system-tests internal is modified. Otherwise, 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 (or removed)?
  • Get a review from R&P team

[github-actions]

CODEOWNERS have been resolved as:

manifests/dotnet.yml                                                    @DataDog/apm-dotnet @DataDog/asm-dotnet
tests/apm_tracing_e2e/test_process_tags.py                              @DataDog/system-tests-core