feat(google-genai): Support span streaming

[alexander-alderman-webb]

Note: Depends on #6314

Description

Use sentry_sdk.traces.start_span, replace Span.set_data() with StreamedSpan.set_attribute() and Span.set_status(SPANSTATUS.INTERNAL_ERROR) with StreamedSpan.status = SpanStatus.ERROR when in span streaming mode.

Parametrize tests on the trace lifecycle option.

Issues

Closes#6024

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[github-actions]

Codecov Results 📊

✅ 282 passed | Total: 282 | Pass Rate: 100% | Execution Time: 42.55s

All tests are passing successfully.

❌ Patch coverage is 72.47%. Project has 14718 uncovered lines.

Files with missing lines (3)

File	Patch %	Lines
utils.py	81.06%	⚠️ 100 Missing and 57 partials
__init__.py	67.08%	⚠️ 80 Missing and 5 partials
streaming.py	92.42%	⚠️ 5 Missing and 15 partials

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[sentrivana]

lgtm, some suggestions