Add assembly rc.3

Created by job run https://art-jenkins.apps.prod-stable-spoke1-dc-iad2.itup.redhat.com/job/aos-cd-builds/job/build%252Fgen-assembly/338

releases.yml

@@ -1,4 +1,37 @@
 releases:
+  rc.3:
+    assembly:
+      basis:
+        brew_event: 61906710
+        reference_releases:
+          x86_64: 4.18.0-0.nightly-2024-12-19-155122
+      group:
+        advisories:
+          extras: 138188
+          image: 138189
+          metadata: 138190
+          microshift: 138191
+          rpm: 138193
+        release_jira: ART-10610
+        upgrades: 4.17.5,4.17.6,4.17.7,4.17.8,4.17.9,4.17.10,4.18.0-ec.3,4.18.0-ec.4,4.18.0-rc.0,4.18.0-rc.1,4.18.0-rc.2
+      members:
+        images: []
+        rpms: []
+      rhcos:
+        rhel-coreos:
+          images:
+            aarch64: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:5dd03358afc03aebe213293494f1fa8fa452880fd1d4e92b4d723d436647aef2
+            ppc64le: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:244aae7d9a7a2c1447af6e4ba247e227efb9b6907020369ff7ce082149b43bdd
+            s390x: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:920ce8ad266f3f34b127d547eedfdaec05dfadf2a464b9613e45b34b21abc93b
+            x86_64: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:ab9ae1aec5813deb2ce8ac0b192a398424124ad3cce6efea0165b6218aa2cfe3
+        rhel-coreos-extensions:
+          images:
+            aarch64: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c22f5fc042bec1e866bc4c9f56aa10f8298adbd11534697a88ecdd067f1e72f4
+            ppc64le: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:c93ce8ba040393fe8af03f1003ecf7b3063dcea568d9207fa6eb949c879d1233
+            s390x: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:56c7076fbf2abe94b02372a64abfdf71ea46f939df6baf64924ed44cb7c7666c
+            x86_64: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:fa4d5442eccb7cbf8db3b7f9fcd3e66b7fb8b1469b1853e73ae47576925cbe77
+      type: candidate
+
   rc.2:
     assembly:
       basis: