Add release branch CI for telco-reference (#63998)

Adding release-4.19 branch CI.

Signed-off-by: Ian Miller <[email protected]>

Author: imiller0

ci-operator/config/openshift-kni/telco-reference/openshift-kni-telco-reference-release-4.19.yaml

@@ -0,0 +1,25 @@
+build_root:
+  project_image:
+    dockerfile_literal: |
+      FROM registry.ci.openshift.org/ocp/ubi-python-311:9
+      USER 0
+      RUN dnf -y install git python3 python3-pip diffutils && python3 -m pip install yamllint
+      RUN curl -L https://github.com/openshift/kube-compare/releases/download/v0.9.0/kube-compare_linux_amd64.tar.gz | tar -xz -C /usr/bin kubectl-cluster_compare
+  use_build_cache: true
+resources:
+  '*':
+    limits:
+      memory: 4Gi
+    requests:
+      cpu: 100m
+      memory: 200Mi
+tests:
+- as: lintcheck
+  commands: |
+    make ci-validate
+  container:
+    from: src
+zz_generated_metadata:
+  branch: release-4.19
+  org: openshift-kni
+  repo: telco-reference

ci-operator/jobs/openshift-kni/telco-reference/openshift-kni-telco-reference-release-4.19-presubmits.yaml

@@ -0,0 +1,57 @@
+presubmits:
+  openshift-kni/telco-reference:
+  - agent: kubernetes
+    always_run: true
+    branches:
+    - ^release-4\.19$
+    - ^release-4\.19-
+    cluster: build05
+    context: ci/prow/lintcheck
+    decorate: true
+    decoration_config:
+      skip_cloning: true
+    labels:
+      ci.openshift.io/generator: prowgen
+      pj-rehearse.openshift.io/can-be-rehearsed: "true"
+    name: pull-ci-openshift-kni-telco-reference-release-4.19-lintcheck
+    rerun_command: /test lintcheck
+    spec:
+      containers:
+      - args:
+        - --gcs-upload-secret=/secrets/gcs/service-account.json
+        - --image-import-pull-secret=/etc/pull-secret/.dockerconfigjson
+        - --report-credentials-file=/etc/report/credentials
+        - --target=lintcheck
+        command:
+        - ci-operator
+        image: ci-operator:latest
+        imagePullPolicy: Always
+        name: ""
+        resources:
+          requests:
+            cpu: 10m
+        volumeMounts:
+        - mountPath: /secrets/gcs
+          name: gcs-credentials
+          readOnly: true
+        - mountPath: /secrets/manifest-tool
+          name: manifest-tool-local-pusher
+          readOnly: true
+        - mountPath: /etc/pull-secret
+          name: pull-secret
+          readOnly: true
+        - mountPath: /etc/report
+          name: result-aggregator
+          readOnly: true
+      serviceAccountName: ci-operator
+      volumes:
+      - name: manifest-tool-local-pusher
+        secret:
+          secretName: manifest-tool-local-pusher
+      - name: pull-secret
+        secret:
+          secretName: registry-pull-credentials
+      - name: result-aggregator
+        secret:
+          secretName: result-aggregator
+    trigger: (?m)^/test( | .* )lintcheck,?($|\s.*)