Change default API token expiration to 90 days

[Turbo87]

Now that we have token expiration warning emails and an easy way to create a new token based on the settings of an existing one, we can finally change the default value of this setting to a slightly more secure value.

Resolves #6664

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.06%. Comparing base (62b3d91) to head (2d1854b).
Report is 17 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9414   +/-   ##
=======================================
  Coverage   89.06%   89.06%           
=======================================
  Files         285      285           
  Lines       28938    28938           
=======================================
+ Hits        25774    25775    +1     
+ Misses       3164     3163    -1     

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