message: Update version for Swoole 4.4.4 again
diff: <email>shenzhe163@gmail.com</email>
  <active>yes</active>
  </developer>
  - <date>2019-08-16</date>
  - <time>21:00:00</time>
  + <date>2019-08-17</date>
  + <time>16:00:00</time>
  <version>
  <release>4.4.4</release>
  <api>4.0</api>
  * Fixed aio thread num (#2745) (@matyhtf)
  * Fixed async_thread (#2747) (@matyhtf)
  * Fixed Swoole\Client::select timeout (#2758) (@LeiZhang-Hunter)
  - + Fixed #2749 (@twose)
  + * Fixed empty timer (#2749) (@twose)
  + * Fixed zlib decompression (#2762) (@twose)
  </notes>
  <contents>
  <dir name="/">
  