[debugger] add v2 schema coverage

[watson]

Motivation

Add schema coverage for debugger snapshot payloads sent to /debugger/v2/input.

Changes

• add a /library/debugger/v2/input-request.json schema that reuses the existing debugger v1 input schema
• enable the nodejs debugger snapshot destination tests starting from the tracer versions that introduced debugger track and /debugger/v2/input support
• lower the ruby version gate for the debugger snapshot destination tests to the first tracer version that added the new endpoint support
• simplify the ruby manifest entries by removing redundant weblog exclusions and keeping only the Rails-specific version gating

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

[watson]

• [debugger] Tighten snapshot input schema and SchemaBug matcher #6818
• [nodejs] renable skipped debugger tests #6817
• [debugger] add v2 schema coverage #6813 👈 (View in Graphite)
• main

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[github-actions]

CODEOWNERS have been resolved as:

tests/schemas/utils/library/debugger/v2/input-request.json              @DataDog/system-tests-core
manifests/nodejs.yml                                                    @DataDog/dd-trace-js
manifests/ruby.yml                                                      @DataDog/ruby-guild @DataDog/asm-ruby
tests/schemas/test_schemas.py                                           @DataDog/system-tests-core

[datadog-official]

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

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