chore: updated dynamic-plugin.md with latest release info (#1220)

Author: PreetiW

workspaces/redhat-resource-optimization/docs/dynamic-plugin.md

@@ -29,7 +29,7 @@ The procedure involves the following steps:
    ```yaml
    # Add to dynamic-plugins-rhdh ConfigMap
 
-   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:1.1.0!backstage-community-plugin-redhat-resource-optimization
+   - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:1.2.0!red-hat-developer-hub-plugin-redhat-resource-optimization
       disabled: false
       pluginConfig:
         dynamicPlugins:
@@ -44,7 +44,7 @@ The procedure involves the following steps:
                   menuItem:
                     icon: resourceOptimizationIconOutlined
                     text: Optimizations
-    - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:1.1.0!backstage-community-plugin-redhat-resource-optimization-backend
+    - package: oci://quay.io/redhat-resource-optimization/dynamic-plugins:1.2.0!red-hat-developer-hub-plugin-redhat-resource-optimization-backend
       disabled: false
       pluginConfig:
         proxy: