Container is not thread-safe by default.

[ymh199478]

Q	A
Branch?	v2.0(master)
Bug fix?	No
New feature?	No
Deprecations?	No
Internal Changed?	Yes
Removed	No
Tests pass?	Yes
Doc pr?	No

Containers are no longer thread-safe by default. Because in most cases we don't need thread safety, and existing thread safety can make the code messy.

[codecov-io]

Codecov Report

Merging #270 into master will decrease coverage by 0.29%.
The diff coverage is 96.66%.

@@            Coverage Diff            @@
##           master     #270     +/-   ##
=========================================
- Coverage   89.43%   89.13%   -0.3%     
=========================================
  Files          36       36             
  Lines        2432     2366     -66     
=========================================
- Hits         2175     2109     -66     
  Misses        257      257

Impacted Files	Coverage Δ
src/CatLib.Core/Container/BindData.cs	94.11% <100%> (-0.89%)	⬇️
src/CatLib.Core/Container/MethodContainer.cs	90.74% <87.5%> (-1.57%)	⬇️
src/CatLib.Core/Container/Bindable.cs	95.45% <95%> (-0.78%)	⬇️
src/CatLib.Core/Container/Container.cs	96.07% <98.29%> (-0.26%)	⬇️

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