chore(iast): use allowlist for selecting modules to patch

[juanjux]

Description

Switch from a denylist for patching IAST modules to an allowlist.

Signed-off-by: Juanjo Alvarez [email protected]## Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, 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

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/appsec/_iast/_ast/ast_patching.py                               @DataDog/asm-python
tests/appsec/iast/_ast/test_ast_patching.py                             @DataDog/asm-python
tests/appsec/iast_packages/test_packages.py                             @DataDog/asm-python

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: juanjux/iast-denylist-by-default
Commit report: 2ff8375
Test service: dd-trace-py

✅ 0 Failed, 507 Passed, 549 Skipped, 5m 0.91s Total duration (7m 16.41s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-01-16 16:27:25

Comparing candidate commit 70ef864 in PR branch juanjux/iast-denylist-by-default with baseline commit 4183671 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 394 metrics, 2 unstable metrics.