fix(cli/unstable): typo in ProgressBar example

[commongeek]

Fix example to use formatter.styledTime instead of calling formatter.styledTime().

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.09%. Comparing base (8efb698) to head (12554ee).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6848   +/-   ##
=======================================
  Coverage   94.08%   94.09%           
=======================================
  Files         578      578           
  Lines       42633    42633           
  Branches     6780     6779    -1     
=======================================
+ Hits        40113    40114    +1     
+ Misses       2469     2468    -1     
  Partials       51       51           

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