⬆️ Bump amazoncorretto from 22-alpine to 23-alpine in /backend

Bumps amazoncorretto from 22-alpine to 23-alpine.

---
updated-dependencies:
- dependency-name: amazoncorretto
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

backend/Dockerfile

@@ -1,8 +1,8 @@
-FROM amazoncorretto:22 AS build
+FROM amazoncorretto:23 AS build
 COPY ./ /home/app
 RUN cd /home/app && ./gradlew build -x test --no-daemon
 
-FROM amazoncorretto:22-alpine
+FROM amazoncorretto:23-alpine
 COPY --from=build /home/app/build/libs/ktlog-0.0.1-SNAPSHOT.jar /usr/local/lib/ktlog-deploy.jar
 EXPOSE 8080
 ENTRYPOINT ["java","-jar","-Dfile.encoding=UTF-8","/usr/local/lib/ktlog-deploy.jar"]