CI: create pr-flakey for jobs prone to failure

We have a lot of PRs where we endlessy retry the same flakey jobs, which
is useless and frustating for everyone.

Put those jobs into a separate matrix with 1 retries to migitate the
issue.

.gitlab-ci/kubevirt.yml

@@ -43,7 +43,6 @@ pr:
           - fedora39-kube-router
           - fedora41-kube-router
           - fedora42-calico
-          - openeuler24-calico
           - rockylinux9-cilium
           - rockylinux10-cilium
           - ubuntu22-calico-all-in-one
@@ -57,9 +56,19 @@ pr:
           - ubuntu24-kube-router-sep
           - ubuntu24-kube-router-svc-proxy
           - ubuntu24-ha-separate-etcd
-          - flatcar4081-calico
           - fedora40-flannel-crio-collection-scale
 
+# This is for flakey test so they don't disrupt the PR worklflow too much.
+# Jobs here MUST have a open issue so we don't lose sight of them
+pr-flakey:
+  extends: pr
+  retry: 1
+  parallel:
+    matrix:
+      - TESTCASE:
+          - flatcar4081-calico # https://github.com/kubernetes-sigs/kubespray/issues/12309
+          - openeuler24-calico # https://github.com/kubernetes-sigs/kubespray/issues/12877
+
 # The ubuntu24-calico-all-in-one jobs are meant as early stages to prevent running the full CI if something is horribly broken
 ubuntu24-calico-all-in-one:
   stage: deploy-part1