chore(iast): add local debug scripts to find segmentation faults

[avara1986]

Checklist

• Change(s) are motivated and described in the PR description
• Testing strategy is described if automated tests are not included in the PR
• Risks are described (performance impact, potential for breakage, maintainability)
• Change is maintainable (easy to change, telemetry, documentation)
• Library release note guidelines are followed or label changelog/no-changelog is set
• Documentation is included (in-code, generated user docs, public corp docs)
• Backport labels are set (if applicable)
• If this PR changes the public interface, I've notified @DataDog/apm-tees.
• If change touches code that signs or publishes builds or packages, or handles credentials of any kind, I've requested a review from @DataDog/security-design-and-guidance.

Reviewer Checklist

• Title is accurate
• All changes are related to the pull request's stated goal
• Description motivates each change
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Change is maintainable (easy to change, telemetry, documentation)
• Release note makes sense to a user of the library
• Author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: avara1986/update_iast_debug_readme
Commit report: 63ffc0b
Test service: dd-trace-py

✅ 0 Failed, 138933 Passed, 38803 Skipped, 6h 26m 46.24s Total duration (3h 46m 9.65s time saved)
❄️ 1 New Flaky

New Flaky Tests (1)

• test_send_failing_request[400] - test_writer.py - Last Failure

  Expand for error

   expected call not found.
   Expected: debug('failed to send telemetry to the %s at %s. response: %s', 'Datadog Agent', 'http://localhost:9126/telemetry/proxy/api/v2/apmtelemetry', 400)
   Actual: debug('sent %d in %.5fs to %s. response: %s', 803, 0.001671627999996872, 'http://localhost:9126/telemetry/proxy/api/v2/apmtelemetry', 200)
  

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.25%. Comparing base (be9936b) to head (63ffc0b).

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #9395       +/-   ##
===========================================
- Coverage   75.95%   10.25%   -65.71%     
===========================================
  Files        1297     1267       -30     
  Lines      123364   121518     -1846     
===========================================
- Hits        93700    12458    -81242     
- Misses      29664   109060    +79396     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.