RHDEVDOCS-6566: Adding content for Public TektonHub instance deprecation

Author: Dhruv-Soni11

create/remote-pipelines-tasks-resolvers.adoc

@@ -30,9 +30,14 @@ An {pipelines-shortname} installation includes a set of standard tasks that you
 == Specifying a remote pipeline, task, or step action from a Tekton catalog
 You can use the hub resolver to specify a remote pipeline, task, or `StepAction` definition that is defined either in a public Tekton catalog of link:https://artifacthub.io/[{artifact-hub}] or in an instance of {tekton-hub}.
 
-[IMPORTANT]
+[NOTE]
 ====
-The {artifact-hub} project is not supported with {pipelines-title}. Only the configuration of {artifact-hub} is supported.
+The public instance of Tekton Hub (`hub.tekton.dev`) is deprecated and will be removed in a future release. Use link:https://artifacthub.io[Artifact Hub] as an alternative for Tekton `Pipeline` and `Task` resources:
+
+* link:https://artifacthub.io/packages/search?repo=tekton-catalog-tasks[Tekton Catalog Tasks]  
+* link:https://artifacthub.io/packages/search?repo=tekton-catalog-pipelines[Tekton Catalog Pipelines]
+
+Artifact Hub is open source and supports self-hosting, providing greater flexibility for managing your Tekton `Pipeline` and `Task` resources.
 ====
 
 include::modules/op-resolver-hub-config.adoc[leveloffset=+2]

modules/op-pipelines-as-code-resolver-annotations.adoc

@@ -9,3 +9,14 @@
 You can use {pac} resolver annotations to reference `Task` and `Pipeline` custom resource (CR) definitions. The {pac} resolver fetches the definitions from the locations that you specify in the annotations. If there is any error while fetching the remote tasks or parsing them, {pac} stops processing the tasks.
 
 If you reference a remote task in a pipeline run, or a pipeline in a `PipelineRun` or a `PipelineSpec` object, the {pac} resolver automatically resolves the referenced resource and includes it in the resulting `PipelineRun` custom resource (CR).
+
+[NOTE]
+====
+The public instance of Tekton Hub (`hub.tekton.dev`) is deprecated and will be removed in a future release. Use link:https://artifacthub.io[Artifact Hub] as an alternative for Tekton `Pipeline` and `Task` resources:
+
+* link:https://artifacthub.io/packages/search?repo=tekton-catalog-tasks[Tekton Catalog Tasks]  
+* link:https://artifacthub.io/packages/search?repo=tekton-catalog-pipelines[Tekton Catalog Pipelines]
+
+Artifact Hub is open source and supports self-hosting, providing greater flexibility for managing your Tekton `Pipeline` and `Task` resources.
+====
+