fix: Added validation for UpdateScheduleJobRequest

[jackchenjc]

refer to edgexfoundry/edgex-go#4925

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All modified and coverable lines are covered by tests ✅

Project coverage is 43.60%. Comparing base (4ed9aff) to head (9d7347a).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #934      +/-   ##
==========================================
+ Coverage   43.52%   43.60%   +0.07%     
==========================================
  Files         124      124              
  Lines        6752     6761       +9     
==========================================
+ Hits         2939     2948       +9     
  Misses       3557     3557              
  Partials      256      256              

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[cloudxxx8]

use dive or inline validation tag in dto, and the validation can be called automatically

[jackchenjc]

Since there is no Validation func for UpdateScheduleJob dto, the validation should be called in the validation function of UpdateSubscriptionRequest.

If we create a Validation func for UpdateScheduleJob dto, the validation can be called automatically, but that function will be very similar to the one for ScheduleJob dto or the one I just committed.

[cloudxxx8]

LGTM