update github & e2bdev mcp descriptions

[mirror58229]

Ⅰ. Describe what this PR did

1. fix github mcp-server.yaml
2. add e2bdev mcp descriptions

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.68%. Comparing base (ef31e09) to head (13daef6).
Report is 463 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2107      +/-   ##
==========================================
+ Coverage   35.91%   43.68%   +7.77%     
==========================================
  Files          69       79      +10     
  Lines       11576    12753    +1177     
==========================================
+ Hits         4157     5571    +1414     
+ Misses       7104     6835     -269     
- Partials      315      347      +32     

see 75 files with indirect coverage changes

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