[Fix]: Set qkv bias to False for cae and True for mae

[YuanLiuuuuuu]

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Motivation

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Modification

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BC-breaking (Optional)

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Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

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[codecov]

Codecov Report

Merging #303 (59792f5) into v0.10.0 (399b5a0) will increase coverage by 0.11%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           v0.10.0     #303      +/-   ##
===========================================
+ Coverage    72.01%   72.12%   +0.11%     
===========================================
  Files          120      120              
  Lines         4702     4703       +1     
  Branches       757      757              
===========================================
+ Hits          3386     3392       +6     
+ Misses        1162     1159       -3     
+ Partials       154      152       -2     

Flag	Coverage Δ
unittests	72.12% <100.00%> (+0.11%)	⬆️

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Impacted Files	Coverage Δ
mmselfsup/models/utils/transformer_blocks.py	91.71% <100.00%> (+3.02%)	⬆️

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