fix: Update release body message in build workflow and enhance installation security notice in README

Author: stephanebouget

.github/workflows/build.yml

@@ -92,7 +92,7 @@ jobs:
         with:
           tagName: ${{ github.ref_name }}
           releaseName: "Release ${{ github.ref_name }}"
-          releaseBody: "Voir le changelog pour les détails de cette version."
+          releaseBody: "New release"
           releaseDraft: false
           prerelease: false
           includeRelease: true

README.md

@@ -6,6 +6,11 @@ A modern desktop application that monitors security vulnerabilities across your
 
 <img width="829" height="102" alt="image" src="https://github.com/user-attachments/assets/69e1730a-720b-4647-9025-6c776309b75e" />
 
+## 🔒 Installation Security Notice
+
+When installing this application, you may encounter security warnings from your operating system.
+Why this happens: **This application is not code-signed** with a commercial certificate, which is a costly process for open-source projects.
+
 ## 📋 Features
 
 ### Core Functionality