feat: add schema validation for default language file

[anchenyi]

https://msazure.visualstudio.com/Microsoft%20Teams%20Extensibility/_workitems/edit/29904765

Also added telemetry for localization errors

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 89.94%. Comparing base (0b83296) to head (ef0a13e).
Report is 4 commits behind head on dev.

Files with missing lines	Patch %	Lines
.../fx-core/src/component/driver/teamsApp/validate.ts	88.88%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #12576      +/-   ##
==========================================
- Coverage   89.94%   89.94%   -0.01%     
==========================================
  Files         571      571              
  Lines       33794    33801       +7     
  Branches     6552     6706     +154     
==========================================
+ Hits        30397    30403       +6     
  Misses       1495     1495              
- Partials     1902     1903       +1     

Files with missing lines	Coverage Δ
...e/src/component/driver/teamsApp/utils/telemetry.ts	100.00% <100.00%> (ø)
.../fx-core/src/component/driver/teamsApp/validate.ts	91.16% <88.88%> (-0.27%)	⬇️