fix: update libexpat and binutils to address CVE-2024-8176 and CVE-2025-0840

- Update libexpat to fix CVE-2024-8176 (CVSS 7.5)
- Update binutils to fix CVE-2025-0840 (CVSS 6.3)
- Explicitly upgrade vulnerable packages during runtime image build

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: jpicklyk

Dockerfile

@@ -25,6 +25,9 @@ RUN ./gradlew build --no-daemon
 # Runtime stage
 FROM eclipse-temurin:23-jdk-alpine
 
+# Update packages to fix CVEs: CVE-2024-8176 (libexpat) and CVE-2025-0840 (binutils)
+RUN apk update && apk upgrade libexpat binutils
+
 WORKDIR /app
 
 # Copy the built JAR from the builder stage