Add testing jobs for Rocky Linux

Define and add 2 jobs to the check pipeline:
* octavia-v2-dsvm-scenario-rockylinux-9-traffic-ops
* octavia-v2-dsvm-scenario-rockylinux-9-non-traffic-ops

Depends-On: https://review.opendev.org/c/openstack/octavia/+/873489
Change-Id: I18324cc6873d12969e20bb06045d4868c27b8a57
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index 1c04c0a..50b83cf 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -29,6 +29,10 @@
             voting: false
         - octavia-v2-dsvm-scenario-centos-9-stream-non-traffic-ops:
             voting: false
+        - octavia-v2-dsvm-scenario-rockylinux-9-traffic-ops:
+            voting: false
+        - octavia-v2-dsvm-scenario-rockylinux-9-non-traffic-ops:
+            voting: false
         - octavia-v2-act-stdby-dsvm-scenario-two-node:
             voting: false
         - octavia-v2-act-stdby-dsvm-scenario: