Update app.go

Merge commit from fork

* BodyParser: slice/array invalid range
- add test case

* BodyParser: slice/array invalid range

prepare release 3.0.0-beta.4

prepare release v2.52.6

Update release.yml

add release.yml config

Update release-drafter.yml

prepare release v2.52.4

Prepare release v2.52.3

prepare release v2.52.2