Update sbt-release to 1.0.13

[scala-steward]

Updates com.github.gseitz:sbt-release from 1.0.12 to 1.0.13.
Release Notes/Changelog

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 = "com.github.gseitz", artifactId = "sbt-release" } ]

labels: sbt-plugin-update, semver-patch

[codecov]

Codecov Report

Merging #148 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #148   +/-   ##
=======================================
  Coverage   99.58%   99.58%           
=======================================
  Files          14       14           
  Lines         243      243           
  Branches       10       10           
=======================================
  Hits          242      242           
  Misses          1        1

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