ref(asgi): Drop send_default_pii support in _get_request_attributes

[ericapisani]

Remove the legacy send_default_pii fallback branches and always
gate http.query, url.path, url.full and client.address on
data_collection.

Refs PY-2798
Refs #7566

[linear-code]

PY-2798

[github-actions]

Codecov Results 📊

✅ 58513 passed | ❌ 1 failed | ⏭️ 2727 skipped | Total: 61241 | Pass Rate: 95.55% | Execution Time: 165m 16s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -78772
Passed Tests	📉 -74280
Failed Tests	📈 +1
Skipped Tests	📉 -4493

➕ New Tests (1)

View new tests

• test_cache_spans_decorator
  • File: tests.integrations.django.test_cache_module
  • Status: ❌ Failing

❌ Failed Tests

test_cache_spans_decorator

File: tests.integrations.django.test_cache_module
Suite: py3.12-django-v4.2.30
Error: tests/integrations/django/test_cache_module.py:307: in test_cache_spans_decorator assert not spans[0]["attributes"]["cache.hit"] E assert not True

Stack Trace

tests/integrations/django/test_cache_module.py:307: in test_cache_spans_decorator
    assert not spans[0]["attributes"]["cache.hit"]
E   assert not True

✅ Patch coverage is 100.00%. Project has 2054 uncovered lines.
❌ Project coverage is 90.19%. Comparing base (72e8214) to head (54187bd).

Coverage diff

@@            Coverage Diff             @@
##        master       #PR       +/-##
==========================================
- Coverage    90.37%    90.19%    -0.18%
==========================================
  Files          199       183       -16
  Lines        26526     20930     -5596
  Branches      9866      7316     -2550
==========================================
+ Hits         23971     18876     -5095
- Misses        2555      2054      -501
- Partials      1495      1216      -279

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