Fixed the images links (#1156)

docs/release-notes/2.40.0.md

@@ -26,7 +26,7 @@ Percona Monitoring and Management (PMM) is an open source database monitoring, m
 
 Starting with PMM 2.40.0, editing labels for existing services is easier and much more efficient. You can edit a service label directly from the PMM UI without removing and re-adding it. For more information on editing labels, see [documentation](https://docs.percona.com/percona-monitoring-and-management/details/dashboards/dashboard-inventory.html#editing-labels-for-a-service).
 
-  ![!](../../_images/PMM_access_edit_labels.png)
+  ![!](../_images/PMM_access_edit_labels.png)
 
 Furthermore, in our continued effort  to enhance user experience, we have redesigned the following pages to make them more user-friendly and intuitive:
 
@@ -40,11 +40,11 @@ Starting with PMM 2.40.0, you can click on the link in the **Node Name** column
 
 Before introducing this feature, locating the running services on a node was cumbersome. However, with this new feature, you can effortlessly access a list of services running on a specific node and identify the node name where the service is being utilized. Additionally, the filters implemented make navigation a lot simpler.
 
-  ![!](../../_images/PMM_Inventory_service_node_relation.png)
+  ![!](../_images/PMM_Inventory_service_node_relation.png)
 
 Furthermore, you can also see the service running on that specific node when you click on the link in the **Services** column.
 
-  ![!](../../_images/PMM_Inventory_node_service_relation.png)
+  ![!](../_images/PMM_Inventory_node_service_relation.png)