Update eclipse-temurin Docker tag

Author: renovate[bot]

rest/Dockerfile

@@ -6,14 +6,14 @@ WORKDIR /app
 RUN npm install
 RUN npm run build
 
-FROM eclipse-temurin:17-jdk as backend
+FROM eclipse-temurin:17.0.16_8-jdk as backend
 WORKDIR /app
 COPY src build.gradle settings.gradle /app
 MKDIR /app/src/main/resources/static
 COPY --from=webapp /app/build/* /app/src/main/resources/static
 RUN ./gradlew build
 
-FROM eclipse-temurin:17-jre
+FROM eclipse-temurin:17.0.16_8-jre
 WORKDIR /app
 COPY --from=backend /app/build/libs/data-privacy-toolkit-rest-6.0.0.jar /app/dpt-demo.jar
 CMD ["java", "-jar", "./dpt-demo.jar"]