test: update the outlook app preview url

[hellyzh]

1. update the outlook app preview url
2. update timer trigger bot validation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.71%. Comparing base (4d58755) to head (60d94fb).
Report is 7 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff            @@
##              dev   #11856    +/-   ##
========================================
  Coverage   88.71%   88.71%            
========================================
  Files         547      547            
  Lines       32980    32992    +12     
  Branches     6374     6489   +115     
========================================
+ Hits        29257    29270    +13     
  Misses       1772     1772            
+ Partials     1951     1950     -1     

see 3 files with indirect coverage changes