Update sbt to 1.3.4

[scala-steward]

Updates org.scala-sbt:sbt from 1.3.3 to 1.3.4.

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 me in the comments below.

Have a fantastic day writing Scala!

Ignore future updates

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

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

labels: semver-patch

[codecov-io]

Codecov Report

Merging #3171 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3171   +/-   ##
=======================================
  Coverage   93.04%   93.04%           
=======================================
  Files         376      376           
  Lines        7375     7375           
  Branches      215      215           
=======================================
  Hits         6862     6862           
  Misses        513      513

Flag	Coverage Δ
#scala_version_212	93.37% <ø> (+0.01%)	⬆️
#scala_version_213	90.64% <ø> (+0.01%)	⬆️

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