rename master branch to main in interpret-community

[imatiach-msft]

The master branch has been renamed to main in interpret-community, which is now the standard name used for github projects (due to fairness related issues). This PR fixes related build scripts and links to point to the main branch.

[codecov-commenter]

Codecov Report

Merging #525 (551fe2b) into main (ccf4c85) will decrease coverage by 0.29%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #525      +/-   ##
==========================================
- Coverage   86.70%   86.41%   -0.30%     
==========================================
  Files          62       62              
  Lines        4063     3976      -87     
==========================================
- Hits         3523     3436      -87     
  Misses        540      540              

Flag	Coverage Δ
unittests	86.41% <ø> (-0.30%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...erpret_community/mimic/models/explainable_model.py	81.57% <0.00%> (-3.21%)	⬇️
...ython/interpret_community/common/base_explainer.py	86.95% <0.00%> (-1.05%)	⬇️
...mmunity/_internal/raw_explain/data_mapper_utils.py	80.85% <0.00%> (-0.79%)	⬇️
...hon/interpret_community/explanation/explanation.py	84.94% <0.00%> (-0.76%)	⬇️
...n/interpret_community/shap/gpu_kernel_explainer.py	22.55% <0.00%> (-0.58%)	⬇️
...hon/interpret_community/mimic/models/tree_model.py	90.90% <0.00%> (-0.48%)	⬇️
...interpret_community/mimic/models/lightgbm_model.py	85.63% <0.00%> (-0.33%)	⬇️
python/interpret_community/common/aggregate.py	90.32% <0.00%> (-0.31%)	⬇️
...n/interpret_community/mimic/models/linear_model.py	93.50% <0.00%> (-0.16%)	⬇️
...community/_internal/raw_explain/feature_mappers.py	95.72% <0.00%> (-0.15%)	⬇️
... and 13 more

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