feat: enable sandbox for teams agent template (ts & js)

[llhmm01]

feature: https://msazure.visualstudio.com/Microsoft%20Teams%20Extensibility/_workitems/edit/33919115

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.00%. Comparing base (b8bc2ce) to head (2ee1352).
Report is 5 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff            @@
##              dev   #14329    +/-   ##
========================================
  Coverage   90.00%   90.00%            
========================================
  Files         647      647            
  Lines       38800    38801     +1     
  Branches     7791     7672   -119     
========================================
+ Hits        34920    34921     +1     
  Misses       1765     1765            
  Partials     2115     2115            

see 1 file with indirect coverage changes

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