fix: automation workflow permission

[qinzhouxu]

https://msazure.visualstudio.com/Microsoft%20Teams%20Extensibility/_workitems/edit/36498627/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.24%. Comparing base (d071821) to head (6aaf36b).
⚠️ Report is 1 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #15221   +/-   ##
=======================================
  Coverage   89.24%   89.24%           
=======================================
  Files         618      618           
  Lines       38004    38004           
  Branches     7720     7775   +55     
=======================================
  Hits        33917    33917           
  Misses       1972     1972           
  Partials     2115     2115           

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