update Release.md (#4500)

Release.md

@@ -1,4 +1,3 @@
 ### Features
 
-* The frpc visitor command-line parameter adds the `--server-user` option to specify the username of the server-side proxy to connect to.
-* Support multiple frpc instances with different subjects when using oidc authentication.
+* `tzdata` is installed by default in the container image, and the time zone can be set using the `TZ` environment variable.

dockerfiles/Dockerfile-for-frpc

@@ -7,6 +7,8 @@ RUN make frpc
 
 FROM alpine:3
 
+RUN apk add --no-cache tzdata
+
 COPY --from=building /building/bin/frpc /usr/bin/frpc
 
 ENTRYPOINT ["/usr/bin/frpc"]

dockerfiles/Dockerfile-for-frps

@@ -7,6 +7,8 @@ RUN make frps
 
 FROM alpine:3
 
+RUN apk add --no-cache tzdata
+
 COPY --from=building /building/bin/frps /usr/bin/frps
 
 ENTRYPOINT ["/usr/bin/frps"]