Clarify helm pr raising generation (#7319)

* clarify that you need to generate after modifying helm charts

Signed-off-by: Saska Karsi <[email protected]>

* rm accidental unrelated formatting

Signed-off-by: Saska Karsi <[email protected]>

---------

Signed-off-by: Saska Karsi <[email protected]>
Co-authored-by: Saska Karsi <[email protected]>

Author: saska

site/content/en/contributions/DEVELOP.md

@@ -114,7 +114,7 @@ __Note:__  Replace `IMAGE` with your registry's image name.
 
 ### Raising a PR
 
-* Run `make generate` and push the generated files along with your commit, if your PR contains any **API** changes (changes in `/api` folder), you've added some unit tests or you've updated the modules used in the project. 
+* Run `make generate` and push the generated files along with your commit, if your PR contains any **API** changes (changes in `/api` folder), you've added some unit tests, modified the helm charts or you've updated the modules used in the project.
 
 ### Deploying Envoy Gateway for Test/Dev