Update sbt to 1.3.13

[scala-steward]

Updates org.scala-sbt:sbt from 1.3.12 to 1.3.13.
GitHub Release Notes - Version Diff

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]

Codecov Report

Merging #154 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #154   +/-   ##
=======================================
  Coverage   95.68%   95.68%           
=======================================
  Files          10       10           
  Lines         139      139           
  Branches        2        2           
=======================================
  Hits          133      133           
  Misses          6        6           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bf72d5e...1f6b45a. Read the comment docs.