fix: Dockerfile flutter version

Dockerfile

@@ -1,4 +1,4 @@
-FROM cirrusci/flutter:3.7.7 AS flutter
+FROM cirrusci/flutter:3.10.6 AS flutter
 WORKDIR /app
 COPY ./ui/flutter/pubspec.yaml ./ui/flutter/pubspec.lock ./
 RUN flutter pub get
@@ -18,4 +18,4 @@ LABEL maintainer="monkeyWie"
 WORKDIR /app
 COPY --from=go /app/dist/gopeed ./
 EXPOSE 9999
-ENTRYPOINT ["./gopeed"]
+ENTRYPOINT ["./gopeed"]