Fix Dockerfile: Use correct eclipse-temurin OpenJDK images for HF Space compatibility

Dockerfile

@@ -1,6 +1,6 @@
 # Multi-stage build for da-autodelete microservice
 # Build stage
-FROM openjdk:21-jdk-slim AS build
+FROM eclipse-temurin:21-jdk AS build
 
 # Set working directory
 WORKDIR /app
@@ -25,7 +25,7 @@ COPY src src
 RUN ./gradlew build -x test --no-daemon
 
 # Runtime stage
-FROM openjdk:21-jre-slim
+FROM eclipse-temurin:21-jre
 
 # Install curl for health checks
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*