ref(graphene): Simplify span creation

[sentrivana]

• don't re-implement parent span/scope management
• actually set span on scope

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).

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New Features ✨

Pydantic Ai

• Support ImageUrl content type in span instrumentation by ericapisani in #5629
• Add tool description to execute_tool spans by ericapisani in #5596

Other

• (crons) Add owner field to MonitorConfig by julwhitney13 in #5610
• (otlp) Add collector_url option to OTLPIntegration by sl0thentr0py in #5603

Bug Fixes 🐛

• (celery) Propagate user-set headers by sentrivana in #5581
• (utils) Avoid double serialization of strings in safe_serialize by ericapisani in #5587

Documentation 📚

• (openai-agents) Remove inapplicable comment by alexander-alderman-webb in #5495
• Add AGENTS.md by sentrivana in #5579
• Add set_attribute example to changelog by sentrivana in #5578

Internal Changes 🔧

Openai Agents

• Do not fail on new tool fields by alexander-alderman-webb in #5625
• Stop expecting a specific function name by alexander-alderman-webb in #5623
• Set streaming header when library uses with_streaming_response() by alexander-alderman-webb in #5583
• Replace mocks with httpx for streamed responses by alexander-alderman-webb in #5580
• Replace mocks with httpx in non-MCP tool tests by alexander-alderman-webb in #5602
• Replace mocks with httpx in MCP tool tests by alexander-alderman-webb in #5605
• Replace mocks with httpx in handoff tests by alexander-alderman-webb in #5604
• Replace mocks with httpx in API error test by alexander-alderman-webb in #5601
• Replace mocks with httpx in non-error single-response tests by alexander-alderman-webb in #5600
• Remove test for unreachable state by alexander-alderman-webb in #5584
• Expect namespace tool field for new openai versions by alexander-alderman-webb in #5599

Other

• (graphene) Simplify span creation by sentrivana in #5648

• (httpx) Resolve type checking failures by alexander-alderman-webb in #5626
• (pyramid) Support alpha suffixes in version parsing by alexander-alderman-webb in #5618
• (rust) Don't implement separate scope management by sentrivana in #5639
• Add httpx to linting requirements by alexander-alderman-webb in #5644
• Remove CodeQL action by sentrivana in #5616
• Normalize dots in package names in populate_tox.py by alexander-alderman-webb in #5574
• Do not run actions on potel-base by sentrivana in #5614

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_{🤖 This preview updates automatically when you update the PR.}

[github-actions]

Codecov Results 📊

✅ 12 passed | Total: 12 | Pass Rate: 100% | Execution Time: 3.77s

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 14247 uncovered lines.

Files with missing lines (1)

File	Patch %	Lines
graphene.py	13.16%	⚠️ 66 Missing

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