Bump to v0.13

[xvjiarui]

No description provided.

[codecov]

Codecov Report

Merging #529 (7207a65) into master (e16e0e3) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #529      +/-   ##
==========================================
+ Coverage   86.74%   86.78%   +0.04%     
==========================================
  Files         101      101              
  Lines        5258     5246      -12     
  Branches      850      847       -3     
==========================================
- Hits         4561     4553       -8     
+ Misses        535      533       -2     
+ Partials      162      160       -2     

Flag	Coverage Δ
unittests	86.78% <100.00%> (+0.04%)	⬆️

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Impacted Files	Coverage Δ
mmseg/__init__.py	73.68% <100.00%> (ø)
mmseg/core/evaluation/eval_hooks.py	95.55% <100.00%> (+6.08%)	⬆️
mmseg/version.py	58.33% <100.00%> (ø)

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