feat(falcon): Add http.route attribute

[alexander-alderman-webb]

Description

Set the http.route attribute on the server span in patches for Falcon endpoints.

Issues

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

[github-actions]

Codecov Results 📊

✅ 130413 passed | ⏭️ 7110 skipped | Total: 137523 | Pass Rate: 94.83% | Execution Time: 474m 36s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +32122
Passed Tests	📈 +31491
Failed Tests	—
Skipped Tests	📈 +631

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2498 uncovered lines.
✅ Project coverage is 90.27%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
sentry_sdk/integrations/falcon.py	100.00%	⚠️ 1 partials

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    90.24%    90.27%    +0.03%
==========================================
  Files          193       193         —
  Lines        25677     25682        +5
  Branches      9466      9468        +2
==========================================
+ Hits         23172     23184       +12
- Misses        2505      2498        -7
- Partials      1441      1442        +1

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