Update sbt-scala-native to 0.3.9

[scala-steward]

Updates org.scala-native:sbt-scala-native from 0.3.8 to 0.3.9.

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention @scala-steward in the comments below.

Have a nice day!

Ignore future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [{ groupId = "org.scala-native", artifactId = "sbt-scala-native" }]

[codecov-io]

Codecov Report

Merging #2804 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2804   +/-   ##
=======================================
  Coverage   94.15%   94.15%           
=======================================
  Files         368      368           
  Lines        6914     6914           
  Branches      296      296           
=======================================
  Hits         6510     6510           
  Misses        404      404

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