Merge pull request #8862 from samuele3hu/v3_new_spine

Update Lua AssetsManagerEx test
update test case of LabelTTF
add two missing image files for TexturePerfermancTest
Merge pull request #8851 from pipu/#8838

Fixed #8838
Merge pull request #8865 from huangshiwu/v3_fixbug

add two missing image files for TexturePerfermancTest
[ci skip]update config.json
add light
Merge pull request #8866 from super626/releasenote

add light to release note
wrong word
wrong sign
wrong sign
Update LuaMinXmlHttpRequest.h/.cpp
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_new_spine
Remove some useless rename functions in the cocos2dx.ini and cocos2dx_studio.ini
Move `CCCamera.cpp/h` `CCLight.cpp/h` into 2d
Merge pull request #8867 from super626/releasenote

Wrong worlds and signs in Releasenote
Merge pull request #8863 from Dhilan007/v3-labelfix

Fix wrong text color for system font on Linux/Window
Move `CCCamera.cpp/h` `CCLight.cpp/h` into 2d
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-labeljags
update release note