Add note about attributes defined at both the levels

Signed-off-by: Parthvi Vala <pvala@redhat.com>

docs/website/blog/2023-01-24-odo-v3.6.0.md

@@ -23,8 +23,9 @@ It is now possible to extend a pod and its container specification by using `pod
 
 This feature allows you to modify pod specifications such as Service Account, Scheduler Name, Security Context, etc and container specifications such as Security Context, and Resources. However, it restricts from modifying pod specifications such as Init Containers, Containers, and Volumes; and container specifications such as Volume Mounts, Image, Ports, Name, Env, Args, and Commands.
 
-`pod-overrides` and `container-overrides` can be specified at both Component and Devfile level.
+`pod-overrides` and `container-overrides` can be specified at both Component and Devfile level. If an attribute is defined at both the levels, a strategic merge patch will be used to merge them both.
 
+[//]: #: (TODO: Add reference to devfile once https://github.com/devfile/devfile-web/pull/70 is merged.)
 Example -
 ```yaml
 attributes: