Only check SLO breaches for benchmarks if they ran (#11307)

Only check SLO breaches for benchmarks if they ran

Co-authored-by: sarah.chen <sarah.chen@datadoghq.com>

Author: sarahchen6

.gitlab/java-benchmark-configs.yml

@@ -45,3 +45,12 @@ linux-java-dacapo-parallel-1:
 linux-java-dacapo-parallel-2:
   needs: ["publish-artifacts-to-s3"]
   rules: *parallel_benchmark_rules
+
+java-startup-parallel-check-slo-breaches:
+  rules: *parallel_benchmark_rules
+
+java-load-parallel-check-slo-breaches:
+  rules: *parallel_benchmark_rules
+
+java-dacapo-parallel-check-slo-breaches:
+  rules: *parallel_benchmark_rules