Update sbt to 1.5.5

[scala-steward]

Updates org.scala-sbt:sbt from 1.5.4 to 1.5.5.

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.

Configure Scala Steward for your repository with a .scala-steward.conf file.

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: library-update, semver-patch

[codecov-commenter]

Codecov Report

Merging #240 (945dbc4) into master (dfc543b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #240   +/-   ##
=======================================
  Coverage   84.61%   84.61%           
=======================================
  Files          35       35           
  Lines         221      221           
  Branches       10       10           
=======================================
  Hits          187      187           
  Misses         34       34           

Flag	Coverage Δ
unittests	84.61% <ø> (ø)

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