Update tut-plugin to 0.6.12

[scala-steward]

Updates org.tpolecat:tut-plugin from 0.6.11 to 0.6.12.

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.tpolecat", artifactId = "tut-plugin" }]

labels: semver-patch

[codecov-io]

Codecov Report

Merging #2882 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #2882   +/-   ##
======================================
  Coverage    94.2%   94.2%           
======================================
  Files         368     368           
  Lines        6949    6949           
  Branches      304     304           
======================================
  Hits         6546    6546           
  Misses        403     403

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