check ssi origin and appsec enabled

[avara1986]

Enable validation in the Docker tests to ensure that SSI is sent and that AppSec is enabled for all tracers
https://datadoghq.atlassian.net/wiki/spaces/SAAL/pages/6101468087/SSI+tests+for+AAP#Docker-SSI-Scenarios-(DOCKER_SSI_APPSEC)

[github-actions]

CODEOWNERS have been resolved as:

manifests/dotnet.yml                                                    @DataDog/apm-dotnet @DataDog/asm-dotnet
manifests/java.yml                                                      @DataDog/asm-java @DataDog/apm-java
manifests/nodejs.yml                                                    @DataDog/dd-trace-js
manifests/php.yml                                                       @DataDog/apm-php @DataDog/asm-php
manifests/python.yml                                                    @DataDog/apm-python @DataDog/asm-python
manifests/ruby.yml                                                      @DataDog/ruby-guild @DataDog/asm-ruby
tests/docker_ssi/test_docker_ssi_appsec.py                              @DataDog/system-tests-core

[nccatoni]

@codex review

[chatgpt-codex-connector]

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Reviewed commit: 32c53e1e5b

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