[DPG][pipeline] integration to swagger pipeline to trigger SDK generate for DPG

[msyyc]

test configuration: https://github.com/Azure/azure-rest-api-specs/tree/dw/llc-readme/specification/purview/data-plane

Azure/azure-sdk-tools#3420

[msyyc]

test for new sdk generation pipeline

• test env: [Deviceupdate][Python] DPG integration openapi-env-test/azure-rest-api-specs#3047
• env config: https://github.com/openapi-env-test/azure-rest-api-specs/blob/main/specificationRepositoryConfiguration.json
• env branch: https://github.com/openapi-env-test/azure-sdk-for-python/tree/dpg-readme

[msyyc]

integration to production env:

• code: [DPG][pipeline] integration to swagger pipeline #24355
• swagger repo config: [python][pipeline] Configuration for DPG azure-rest-api-specs#18963
• test in production env: [dpg] generation test azure-rest-api-specs#18966
• sample configuration file: [DPG] sample configuration file for DPG azure-rest-api-specs#18990