Update CONTRIBUTING.md

Author: meili-bot

CONTRIBUTING.md

@@ -124,6 +124,8 @@ _[Read more about this](https://github.com/meilisearch/integration-guides/blob/m
 
 ### How to Publish the Release
 
+⚠️ Before doing anything, make sure you got through the guide about [Releasing an Integration Tool](https://github.com/meilisearch/integration-guides/blob/master/guides/integration-tool-release.md).
+
 Make a PR modifying the file [`src/MeiliSearchBundle.php`](/src/MeiliSearchBundle.php) with the right version.
 
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