Bump to v0.13.0

[hjin2902]

No description provided.

[codecov]

Codecov Report

Merging #509 (388adf8) into master (86ef23d) will increase coverage by 0.11%.
The diff coverage is 100.00%.

❗ Current head 388adf8 differs from pull request most recent head c84ab54. Consider uploading reports for the commit c84ab54 to get more accurate results

@@            Coverage Diff             @@
##           master     #509      +/-   ##
==========================================
+ Coverage   50.55%   50.67%   +0.11%     
==========================================
  Files         189      189              
  Lines       14453    14453              
  Branches     2366     2366              
==========================================
+ Hits         7307     7324      +17     
+ Misses       6655     6636      -19     
- Partials      491      493       +2     

Flag	Coverage Δ
unittests	50.67% <100.00%> (+0.11%)	⬆️

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Impacted Files	Coverage Δ
mmdet3d/version.py	61.53% <100.00%> (ø)
mmdet3d/datasets/waymo_dataset.py	19.17% <0.00%> (+8.80%)	⬆️

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[Tai-Wang]

Please also modify the getting_started.md and version.py like this commit

[Wuziyi616]

Do you think we need to modify getting_started.md to include the MMDet compatibility? Since we are only compatible with MMDet2.11.0, we can't git clone mmdet master branch and build from source? @Tai-Wang @ZwwWayne