feat(falcon): Set name and source on request span when streaming

[alexander-alderman-webb]

Description

Call Scope.set_transaction_name() on the current scope in process_resource() to change the name and source of the segment span when span streaming is enabled.

Issues

Closes #6019

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• 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

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[github-actions]

Codecov Results 📊

✅ 89644 passed | ⏭️ 6019 skipped | Total: 95663 | Pass Rate: 93.71% | Execution Time: 301m 35s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +199
Passed Tests	📈 +193
Failed Tests	—
Skipped Tests	📈 +6

All tests are passing successfully.

✅ Patch coverage is 87.50%. Project has 2396 uncovered lines.
✅ Project coverage is 89.79%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/falcon.py	87.50%	⚠️ 1 Missing and 1 partials

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
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+ Coverage    89.75%    89.79%    +0.04%
==========================================
  Files          192       192         —
  Lines        23486     23465       -21
  Branches      8066      8062        -4
==========================================
+ Hits         21079     21069       -10
- Misses        2407      2396       -11
- Partials      1329      1330        +1

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Generated by Codecov Action

[ericapisani]

One question, but otherwise LGTM

[ericapisani]

If, based on my understanding of the pull request description, process_resource is intended t be run when span streaming is enabled, should this instead be using the SOURCE_FOR_STYLE from sentry_sdk.traces instead of sentry_sdk.tracing?