* update version and dependencies
* update unity 2020
* update samplescene on hdrp template
* update unity and renderstreaming package version
* remove local packages
* update sample scene on rtx
* fix doc
* only run 2020.3 on yamato
* update changelog
change package version 3.1.0-exp.2
* upgrade hdrp version 7.3.1
* add trigger to test template
* fixed yamato error
* make comment and write todo
* fixed doc
* update scene
* Revert "fixed doc"
This reverts commit 46e07af071.