feat: update release notes generation guidelines to maintain formality and avoid direct user address

Author: duartebarbosadev

.github/scripts/generate_release_notes.py

@@ -254,6 +254,7 @@ def generate_release_notes(
 4. Focus on user-visible changes
 5. Include PR references where available (e.g., "Enhanced UI (#123)")
 6. Keep technical details concise but informative
+7. Keep this formal and about the changes, do not talk to the user directly.
 Format the response as clean markdown without code blocks around the entire response.
 """