chore(asm): addendum to ATO V3

[christophe-papazian]

This PR fixes missing support from unreleased PR #11932

• add better support for usr.login tag and anonymisation of the value
• add support for WAF permanent address force resent to the WAF. This should be the default behaviour for usr.id and usr.login WAF addresses
• add check for usr.login anonymised on threat tests and django tests
• update processor tests for the new usr.login WAF address
• improve user blocking mechanism by blocking as soon as we can with BlockingException

Will also enable support for system tests on DataDog/system-tests#3828 when this PR is merged.

APPSEC-56315

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/_constants.py                                            @DataDog/asm-python
ddtrace/appsec/_processor.py                                            @DataDog/asm-python
ddtrace/appsec/_trace_utils.py                                          @DataDog/asm-python
tests/appsec/appsec/test_processor.py                                   @DataDog/asm-python
tests/appsec/contrib_appsec/utils.py                                    @DataDog/asm-python
tests/contrib/django/test_django_appsec.py                              @DataDog/asm-python

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-01-16 16:44:09

Comparing candidate commit 6cab169 in PR branch christophe-papazian/fix_ato_v3 with baseline commit 4183671 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 380 metrics, 2 unstable metrics.