Layotto v0.4.0-rc release

What's Changed

Feature

java sdk support File API
Add startup hooks
api-plugin
Add support for Dapr InvokeService and InvokeBinding API
add mongo distributed lock
add comment of wasm
make parameters of API plugin extendable
add hdfs support
add sequencer of mongo
support dapr state api
ADD SECRET API
add file api impl tencent cloud oss
add file qiniu cloud oss
add in-memory sequencer
add in-memory lock
add skywalking trace
add Redis Component in integrate test

Bugfixs

fix in-mem component issues
fix zk lock ut
package testing/fstest is not in GOROOT of golang1.14
compile warning on mac os 12
correct wrong symbols
fix: trace not running

Enhancements

don't compile the actuator module if users don't need it
chore: optimize dockerfiles and makefiles
add auto build and release workflow

Full Changelog: v0.3.0...v0.4.0-rc

docker image: https://hub.docker.com/r/layotto/layotto