chore: bump template and sample version

[HuihuiWu-Microsoft]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.29%. Comparing base (dc20b07) to head (845f4b8).
⚠️ Report is 7 commits behind head on release/6.6.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/6.6   #15427      +/-   ##
===============================================
- Coverage        89.30%   89.29%   -0.01%     
===============================================
  Files              620      620              
  Lines            38073    38073              
  Branches          7728     7518     -210     
===============================================
- Hits             34000    33998       -2     
- Misses            1972     1973       +1     
- Partials          2101     2102       +1     

Files with missing lines	Coverage Δ
packages/fx-core/src/common/samples.ts	94.73% <100.00%> (ø)

... and 1 file with indirect coverage changes

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