docs(cost-management): update OCI image tag and RHDH doc links to 1.9 (#2984)

- Update OCI image tags from :latest to :2.1.0 in dynamic-plugin.md
- Update all RHDH documentation links from 1.8 to 1.9

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: PreetiW

workspaces/cost-management/README.md

@@ -46,10 +46,10 @@ You can follow one of these options for installing `Cost Management` plugin depe
 
 #### Dependency on Orchestrator plugin and Workflow details
 
-The Cost Management plugin's Optimizations section is dependent on [Orchestrator plugin](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/orchestrator_in_red_hat_developer_hub/index) to run the workflow for applying the recommendation. Make sure you have installed the [Orchestrator plugin](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/orchestrator_in_red_hat_developer_hub/index) by following one of these options depending on your environment:
+The Cost Management plugin's Optimizations section is dependent on [Orchestrator plugin](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/orchestrator_in_red_hat_developer_hub/index) to run the workflow for applying the recommendation. Make sure you have installed the [Orchestrator plugin](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/orchestrator_in_red_hat_developer_hub/index) by following one of these options depending on your environment:
 
-- [Installing Red Hat Developer Hub with Orchestrator by using the Red Hat Developer Hub Operator](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/orchestrator_in_red_hat_developer_hub/assembly-install-rhdh-orchestrator-operator)
-- [Installing Red Hat Developer Hub with Orchestrator by using the Red Hat Developer Hub Helm chart](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/orchestrator_in_red_hat_developer_hub/assembly-install-rhdh-orchestrator-helm)
+- [Installing Red Hat Developer Hub with Orchestrator by using the Red Hat Developer Hub Operator](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/orchestrator_in_red_hat_developer_hub/assembly-install-rhdh-orchestrator-operator)
+- [Installing Red Hat Developer Hub with Orchestrator by using the Red Hat Developer Hub Helm chart](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/orchestrator_in_red_hat_developer_hub/assembly-install-rhdh-orchestrator-helm)
 
 For vanilla Backstage local development, see the [Local Development with Orchestrator](#local-development-with-orchestrator) section below.
 
@@ -214,4 +214,4 @@ For the full orchestrator setup guide, see: [Install as a static plugin for loca
 
 - [Documentation to understand how to export, package & publish plugin as a dynamic plugin](https://github.com/redhat-developer/rhdh/blob/main/docs/dynamic-plugins/packaging-dynamic-plugins.md#packaging-and-publishing-backstage-plugin-as-a-dynamic-plugin)
 
-- For comprehensive RHDH documentation, visit: [Red Hat Developer Hub 1.8 Documentation](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/)
+- For comprehensive RHDH documentation, visit: [Red Hat Developer Hub 1.9 Documentation](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/)

workspaces/cost-management/docs/dynamic-plugin.md

@@ -5,11 +5,11 @@ Red Hat Developer Hub (RHDH) leverages dynamic plugins to efficiently deploy plu
 
 The procedure involves the following steps:
 
-1. Ensure you are familiar with the [Red Hat Developer Hub 1.8 configuration docs](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/configuring_red_hat_developer_hub/index) and [Red Hat Developer Hub 1.8 plugin installation guide](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/html/installing_and_viewing_plugins_in_red_hat_developer_hub/index)
+1. Ensure you are familiar with the [Red Hat Developer Hub 1.9 configuration docs](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/configuring_red_hat_developer_hub/index) and [Red Hat Developer Hub 1.9 plugin installation guide](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/html/installing_and_viewing_plugins_in_red_hat_developer_hub/index)
 
    **Additional Resources:**
 
-   - For comprehensive RHDH documentation, visit: [Red Hat Developer Hub 1.8 Documentation](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.8/)
+   - For comprehensive RHDH documentation, visit: [Red Hat Developer Hub 1.9 Documentation](https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.9/)
 
 2. The plugin consumes services from [Red Hat Hybrid Cloud Console](https://console.redhat.com/openshift/cost-management) for both OpenShift and Optimizations sections, therefore your clusters [must be configured to access cost management data and optimization recommendations](https://docs.redhat.com/en/documentation/cost_management_service/1-latest/html/integrating_openshift_container_platform_data_into_cost_management/index).
    Copy and save the `CLIENT_ID` & `CLIENT_SECRET` from service account you created earlier with `Cost OpenShift Viewer` role. This will be needed during configuration step below.
@@ -33,7 +33,7 @@ The procedure involves the following steps:
    ```yaml
    # Add to dynamic-plugins-rhdh ConfigMap
 
-   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:latest!red-hat-developer-hub-plugin-cost-management
+   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:2.1.0!red-hat-developer-hub-plugin-cost-management
      disabled: false
      pluginConfig:
        dynamicPlugins:
@@ -64,7 +64,7 @@ The procedure involves the following steps:
                cost-management.openshift:
                  parent: cost-management
                  priority: 20
-   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:latest!red-hat-developer-hub-plugin-cost-management-backend
+   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:2.1.0!red-hat-developer-hub-plugin-cost-management-backend
      disabled: false
      pluginConfig:
        costManagement: