chore(deps): update docker.io/library/maven docker tag to v3.10

backend/Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM docker.io/library/maven:3.9-eclipse-temurin-25-alpine AS build
+FROM docker.io/library/maven:3.10-eclipse-temurin-25-alpine AS build
 WORKDIR /app
 COPY pom.xml .
 RUN mvn dependency:go-offline