[ci] Create kibana-emergency-release pipeline (#176101)

This pipeline is a no-op for the moment, but will enable testing in
branches.

.buildkite/pipelines/emergency_release.yml

@@ -0,0 +1,3 @@
+steps:
+  - label: Placeholder
+    command: echo "Hello!"

catalog-info.yaml

@@ -214,5 +214,36 @@ spec:
       teams:
         kibana-operations:
          access_level: MANAGE_BUILD_AND_READ
+        everyone:
+          access_level: READ_ONLY
+---
+# yaml-language-server: $schema=https://gist.githubusercontent.com/elasticmachine/988b80dae436cafea07d9a4a460a011d/raw/rre.schema.json
+apiVersion: backstage.io/v1alpha1
+kind: Resource
+metadata:
+  name: buildkite-pipeline-kibana-emergency-release
+  description: Emergency release
+  links:
+    - title: Pipeline
+      url: https://buildkite.com/elastic/kibana-emergency-release
+spec:
+  type: buildkite-pipeline
+  owner: group:kibana-operations
+  system: buildkite
+  implementation:
+    apiVersion: buildkite.elastic.dev/v1
+    kind: Pipeline
+    metadata:
+      name: kibana / emergency release
+    spec:
+      repository: elastic/kibana
+      provider_settings:
+        trigger_mode: none
+      pipeline_file: ".buildkite/pipelines/emergency_release.yml"
+      teams:
+        kibana-operations:
+          access_level: MANAGE_BUILD_AND_READ
+        kibana-release-operators:
+          access_level: BUILD_AND_READ
         everyone:
           access_level: READ_ONLY