feat(iast): add support for pymysql, mysqldb integrations

[gnufede]

Code Security: Adds IAST support to pymysql and mysqldb integrations

APPSEC-56500

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:

.riot/requirements/106990f.txt                                          @DataDog/apm-python
.riot/requirements/1140d28.txt                                          @DataDog/apm-python
.riot/requirements/1568a2f.txt                                          @DataDog/apm-python
.riot/requirements/16a770c.txt                                          @DataDog/apm-python
.riot/requirements/8fd54b8.txt                                          @DataDog/apm-python
releasenotes/notes/feat-iast-pymysql-support-d7f79f0355bb85d1.yaml      @DataDog/apm-python
tests/appsec/iast/fixtures/taint_sinks/sql_injection_mysqldb.py         @DataDog/asm-python
tests/appsec/iast/fixtures/taint_sinks/sql_injection_pymysql.py         @DataDog/asm-python
.gitlab/services.yml                                                    @DataDog/python-guild @DataDog/apm-core-python
ddtrace/appsec/_iast/_evidence_redaction/sql_sensitive_analyzer.py      @DataDog/asm-python
ddtrace/appsec/_iast/constants.py                                       @DataDog/asm-python
riotfile.py                                                             @DataDog/apm-python
tests/appsec/iast/taint_sinks/test_sql_injection.py                     @DataDog/asm-python
tests/appsec/suitespec.yml                                              @DataDog/asm-python
.riot/requirements/18c560e.txt                                          @DataDog/apm-python

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: gnufede/iast-pymysql-2
Commit report: affda8a
Test service: dd-trace-py

✅ 0 Failed, 130 Passed, 1468 Skipped, 4m 45.28s Total duration (35m 49.32s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-02-03 13:57:13

Comparing candidate commit affda8a in PR branch gnufede/iast-pymysql-2 with baseline commit 4d20460 in branch 3.x-staging.

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