* sync lates chaosd and physicalmachinechaos
Signed-off-by: FingerLeader <wanxfinger@gmail.com>

* update CHANGELOG.md
Signed-off-by: FingerLeader <wanxfinger@gmail.com>

* add user_defined
Signed-off-by: FingerLeader <wanxfinger@gmail.com>

* update CHANGELOG.md
Signed-off-by: FingerLeader <wanxfinger@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>