feat(litellm): Support span streaming

[alexander-alderman-webb]

Description

Use sentry_sdk.traces.start_span and replace Span.set_data() with StreamedSpan.set_attribute() when in span streaming mode.

Parametrize tests on the trace lifecycle option.

Issues

Closes#6034

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 📊

✅ 446 passed | Total: 446 | Pass Rate: 100% | Execution Time: 1m 26s

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 15216 uncovered lines.
❌ Project coverage is 33.5%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/litellm.py	0.00%	⚠️ 7 Missing

Coverage diff

@@ Coverage Diff @@## main #PR +/-##
==========================================
- Coverage 34.87% 33.50% -1.37%
==========================================
Files 190 190 —
Lines 22890 22881 -9
Branches 7834 7836 +2
==========================================
+ Hits 7981 7665 -316- Misses 14909 15216 +307- Partials 829 808 -21

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Generated by Codecov Action

[ericapisani]

Couple of questions, but they're non-blocking

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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