Regenerate client from commit a87e717d of spec repo (DataDog#13666)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

[DOCS-2786] Update Watchdog main page (DataDog#13659)

* update watchdog main page

* change image name to prevent caching issue

* remove outdated story/alert text and screenshot

Co-authored-by: Ursula Chen <ursula.chen@datadoghq.com>

Merge pull request DataDog#13687 from DataDog/jorie/fix-image-name-co…

…llision

Delete duplicate file causing naming collision

Merge pull request DataDog#13457 from doppelc/patch-1

Remove principal parameter in IAM policy

Merge pull request DataDog#13673 from DataDog/julio.guerra/how-appsec…

…-works-performance

Update how-appsec-works.md

Merge pull request DataDog#13686 from DataDog/barryeom/custom-metrics…

…-governance

Update custom-metrics-governance-drop-metrics-missing-specific-tags.md

Merge pull request DataDog#13677 from DataDog/majorgreys/python-trace…

…r-v1.0.0-compatibility

[AIT-1729] update Python tracer compatibility for v1.0.0 release

Merge pull request DataDog#13675 from DataDog/majorgreys/ddtrace-py-v…

…1.0.0

[AIT-1741] update Python tracer setup for v1.0.0 release

Merge pull request DataDog#13678 from DataDog/djova/add-beta-banner

add sqlserver beta banner to index

Merge pull request DataDog#13669 from DataDog/kathy.lin/arbitraryperc…

…entiles

Introducing user-defined percentiles