message: update changelog.
  fix dpkg-buildpackage warning.
diff: +shadowsocks-rust (1.12.5) unstable; urgency=medium
  +
  + ## Bug Fixes
  +
  + - #725 High CPU consumption on Linux Kernel < 4.11 when TCP Fast Open is enabled.
  +
  + -- ty <zonyitoo@gmail.com> Fri, 17 Dec 2021 00:13:26 +0800
  +
  shadowsocks-rust (1.12.4) unstable; urgency=medium
  ## Features
  @@ -17,6 +25,8 @@ shadowsocks-rust (1.12.4) unstable; urgency=medium
  - Deprecating `SS_LOG_VERBOSE_LEVEL` and `SS_LOG_WITHOUT_TIME` (introduced in [v1.12.3](https://github.com/shadowsocks/shadowsocks-rust/releases/tag/v1.12.3)) in flavor of configuring in the configuration file
  + -- ty <zonyitoo@gmail.com> Sun, 28 Nov 2021 15:01:54 +0800
  +
  shadowsocks-rust (1.12.3) unstable; urgency=medium
  ## Features
  @@ -30,6 +40,8 @@ shadowsocks-rust (1.12.3) unstable; urgency=medium
  - Server created from command line argument without `--password` will try to read it from TTY
  - Servers' `"password"` field or `--password` option support `${VAR_NAME}` format to read password from environment variable `VAR_NAME`
  + -- ty <zonyitoo@gmail.com> Fri, 26 Nov 2021 00:12:13 +0800
  +
  shadowsocks-rust (1.12.2) unstable; urgency=medium
  ## BUG Fixes
  @@ -40,6 +52,8 @@ shadowsocks-rust (1.12.2) unstable; urgency=medium
  - Removed direct dependency to [`mio`](https://crates.io/crates/mio), sending file descriptors through UDS now with [`sendfd`](https://crates.io/crates/sendfd).
  + -- ty <zonyitoo@gmail.com> Tue, 16 Nov 00:11:44 2021 +0800
  +
  shadowsocks-rust (1.12.1) unstable; urgency=medium
  ## Features
  @@ -51,6 +65,8 @@ shadowsocks-rust (1.12.1) unstable; urgency=medium
  - #674 MIPS targets in pre-built releases binaries will be compressed by `upx`
  - #670 Servers created by command line options in `ssserver` will have mode `tcp_only`
  + -- ty <zonyitoo@gmail.com> Tue, 9 Nov 2021 23:27:48 +0800
  +
  shadowsocks-rust (1.12.0) unstable; urgency=medium
  ## Features
  @@ -81,6 +97,8 @@ shadowsocks-rust (1.12.0) unstable; urgency=medium
  - TFO on Linux queue length set to 1024 to match backlogs
  - Completely remove Replay Attack Protection with Ping-Pong bloom filter in default build configuration
  + -- ty <zonyitoo@gmail.com> Tue, 2 Nov 2021 12:52:17 +0800
  +
  shadowsocks-rust (1.11.2) unstable; urgency=medium
  ## Features
  