Use allowOrDefault in UpdatesConfig.isAllowed

[fthomas]

I forgot to update this reference in #3515. This is a subtle change in semantics. If allow == Some(Nil) allow.isEmpty is false and allowOrDefault.isEmpty is true.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.81%. Comparing base (6e03c92) to head (863d071).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3546   +/-   ##
=======================================
  Coverage   89.81%   89.81%           
=======================================
  Files         171      171           
  Lines        4989     4989           
  Branches      495      496    +1     
=======================================
  Hits         4481     4481           
  Misses        508      508           

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[mzuehlke]

Sharp eyes 👍

[fthomas]

Sharp eyes

Guess who looked at Scala Steward logs this morning and wondered why Scala updates where logged with Ignore org.scala-lang:scala-library : 2.13.15 -> 2.13.16 (reason: not allowed by config) without any such config in sight. :-)