Validates instrumentation_source implementations

[avara1986]

Validates those features:
DataDog/dd-trace-py#13342
DataDog/dd-trace-rb#4737
DataDog/dd-trace-dotnet#6938
DataDog/dd-trace-java#8956

[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.py                                     @DataDog/system-tests-core