[RELEASE] Update NEWS.md for v0.7 (apache#6613)

[RELEASE] Update NEWS.md for v0.7 (apache#6613)

Fix some typo errors in license header (apache#5957)

Signed-off-by: leonwanghui <[email protected]>

Co-authored-by: leonwanghui <[email protected]>

Update date in the NOTICE (apache#5943)

[BACKPORT-0.6][Bugfix][Arith] keep div_mode during floordiv simplify (a…

…pache#5927)

[VTA][HotFix] Relay->VTA quantization fix (apache#4433)

* relay -> vta fix

* setting optlevel to 3 for quantization to fold batchnorm

[VTA][HotFix] Relay->VTA quantization fix (apache#4433)

* relay -> vta fix

* setting optlevel to 3 for quantization to fold batchnorm

[RUNTIME] rename allocator.make -> allocator.make_object for term con…

…sistency (apache#4416)

[LICENSE] add 3rdparty licenses (apache#4402)

* [LICENSE] add 3rdparty licenses

* rename license files to .txt

Fix issue mutating if expressions (apache#2601)

(cherry picked from commit f6be4d6)