fix(google_genai): Redact binary data in inline_data and fix multi-part message extraction

[ericapisani]

Redact binary/byte data that appears in inline_data, which fixes a failing checkBinaryRedaction assertion in the AI testing framework.

Also includes changes for the following:

• Properly handling lists of part-like items (merging into single multi-part user message)
• Handling bare inline_data dicts that aren't wrapped in Part objects
• Always substituting blob data (both bytes and base64 strings)
• Moving PIL import to module level with availability flag to reduce all the dynamic imports of the module within the code

Fixes PY-2287 and #5965

[linear-code]

PY-2287 Fix failing `checkBinaryRedaction` assertion in the "Vision LLM Test" (AI testing framework)

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

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New Features ✨

• (ai) Redact base64 data URLs in image_url content blocks by ericapisani in #5953
• (integrations) Instrument pyreqwest tracing by servusdei2018 in #5682
• (litellm) Add async callbacks by alexander-alderman-webb in #5969

Bug Fixes 🐛

Anthropic

• Capture exceptions for stream() calls by alexander-alderman-webb in #5950
• Stop setting transaction status when child span fails by alexander-alderman-webb in #5717
• Only finish relevant spans in .create() patches by alexander-alderman-webb in #5716

Pydantic Ai

• Adapt import for new library versions by alexander-alderman-webb in #5984
• Use first-class hooks when available by alexander-alderman-webb in #5947

Other

• (google_genai) Redact binary data in inline_data and fix multi-part message extraction by ericapisani in #5977

• (huggingface_hub) Stop setting transaction status when a child span fails by Zenithatic in #5952
• (litellm) Avoid double span exits when streaming by alexander-alderman-webb in #5933
• (wsgi) Respect HTTP_X_FORWARDED_PROTO in request.url construction by sl0thentr0py in #5963

Internal Changes 🔧

Litellm

• Replace mocks with httpx types in rate-limit test by alexander-alderman-webb in #5975
• Replace mocks with httpx types in embedding tests by alexander-alderman-webb in #5970
• Replace mocks with httpx types in nonstreaming completion() tests by alexander-alderman-webb in #5937
• Remove dead attributes by alexander-alderman-webb in #5985

Other

• (ai) Remove gen_ai.tool.type span attribute by ericapisani in #5964
• (anthropic) Separate sync and async .create() patches by alexander-alderman-webb in #5715
• (openai) Split token counting by API for easier deprecation by ericapisani in #5930
• (openai-agents) Remove error attributes by alexander-alderman-webb in #5986
• (opentelemetry) Ignore mypy error by alexander-alderman-webb in #5927
• 🤖 Update test matrix with new releases (04/13) by github-actions in #5983
• Fix license metadata in setup.py by sl0thentr0py in #5934
• Update validate-pr workflow by stephanie-anderson in #5931

Other

• Handle None span context in the span processor and pin tokenizers version for anthropic tests on Python 3.8 by alexander-alderman-webb in #5967

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[github-actions]

Codecov Results 📊

✅ 1736 passed | ⏭️ 368 skipped | Total: 2104 | Pass Rate: 82.51% | Execution Time: 2m 26s

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 12600 uncovered lines.

Files with missing lines (1)

File	Patch %	Lines
utils.py	0.00%	⚠️ 513 Missing

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[ericapisani]

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