Integrate parallel macrobenchmarks from apm-sdks-benchmarks (#11129)

integrate a new set of benchmarks

comment intent

switch to using main ref

Co-authored-by: devflow.devflow-routing-intake <devflow.devflow-routing-intake@kubernetes.us1.ddbuild.io>

Author: faydef

.gitlab-ci.yml

@@ -4,10 +4,16 @@ include:
   - local: ".gitlab/macrobenchmarks.yml"
   - local: ".gitlab/exploration-tests.yml"
   - local: ".gitlab/ci-visibility-tests.yml"
+  - project: 'DataDog/apm-reliability/apm-sdks-benchmarks'
+    file: '.gitlab/ci-java-spring-petclinic-parallel.yml'
+    ref: 'main'
 
 stages:
   - build
   - publish
+  # These benchmarks are intended to replace the legacy benchmarks in the future
+  - java-spring-petclinic-parallel
+  - java-spring-petclinic-parallel-slo
   - shared-pipeline
   - benchmarks
   - macrobenchmarks