enhancement(correctness): Create test/antithesis sub-project

.github/CODEOWNERS

@@ -8,5 +8,8 @@
 # any processes/requirements they have in place for the normal Datadog Agent releases.
 /.gitlab/release.yml @DataDog/agent-delivery
 
- # Workspaces prebuild image auto-updates
- /.devcontainer/datadog/default/ @DataDog/agent-data-plane @robot-github-sre
+# Workspaces prebuild image auto-updates
+/.devcontainer/datadog/default/ @DataDog/agent-data-plane @robot-github-sre
+
+# tests/antithesis is a shared SMP / ADP testing effort
+/test/antithesis @DataDog/single-machine-performance @DataDog/agent-data-plane

.github/workflows/check-pr-title.yml

@@ -38,6 +38,7 @@ jobs:
             agent-data-plane
             aggregate
             airlock
+            antithesis
             api
             apm stats
             app
@@ -70,9 +71,7 @@ jobs:
             heartbeat
             host enrichment
             integration
-            internal metrics
             io
-            resource-accounting
             metadata
             metric router
             metrics
@@ -85,6 +84,7 @@ jobs:
             process-memory
             prometheus
             prometheus-exposition
+            resource-accounting
             stele
             stringtheory
             test

ci/tooling/update-pr-title-scopes.sh

@@ -20,6 +20,7 @@ COMPONENT_TYPES=(decoders destinations encoders forwarders relays sources transf
 
 # Fixed scopes that aren't derived from the codebase.
 FIXED_SCOPES=(
+    antithesis
     ci
     correctness
     deps