Onboard package into Gating

Builds will be gated using Maven Bootstrap manual gating test:
https://docs.engineering.redhat.com/display/RHELPLAN/Maven+Bootstrap+manual+gating+test

gating.yaml

@@ -0,0 +1,8 @@
+--- !Policy
+product_versions:
+  - rhel-9
+decision_contexts:
+  - osci_compose_gate
+rules:
+  # https://docs.engineering.redhat.com/display/RHELPLAN/Maven+Bootstrap+manual+gating+test
+  - !PassingTestCaseRule {test_case_name: manual.sst_cs_apps.maven.bootstrap}