update release note
Update RELEASE_NOTES.md
update version
Update RELEASE_NOTES.md
fixed emit last frame several times
add needed link library for linux
fixed timeline loop
Fix Camera3DTest has not effect on the Linux
Fix FontTest' output error message-> “cocos2d: removeChildByTag(tag = 0): child not found!”
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_new_spine
[ci skip]update config.json
Merge pull request #8849 from samuele3hu/v3_new_spine

Fix some bugs reported in the test
[ci skip]update config.json
[ci skip]update README.md
Fixed #8838
Fix the bug in the tolua_cocos2dx_GLProgram_setUniformLocationF32
Fix Label: endless loop if not using system font, and constrained length is less than one character width
fix memory leak when reload texture
Merge pull request #8842 from joshuastray/v3

add needed link library for linux
change asset manager to use a new resource, which will not affect other test cases