fix: copilot spec parser

[anchenyi]

https://msazure.visualstudio.com/Microsoft%20Teams%20Extensibility/_workitems/edit/29662104

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.68%. Comparing base (467e728) to head (cd563f2).
Report is 5 commits behind head on hotfix/prerelease-20240926.

Additional details and impacted files

@@                     Coverage Diff                     @@
##           hotfix/prerelease-20240926   #12482   +/-   ##
===========================================================
  Coverage                       89.68%   89.68%           
===========================================================
  Files                             582      582           
  Lines                           34526    34529    +3     
  Branches                         6856     6784   -72     
===========================================================
+ Hits                            30966    30969    +3     
  Misses                           1581     1581           
  Partials                         1979     1979           

Files with missing lines	Coverage Δ
packages/spec-parser/src/manifestUpdater.ts	94.31% <100.00%> (+0.08%)	⬆️