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]

Codecov Report

Merging #644 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #644   +/-   ##
=======================================
  Coverage   93.03%   93.03%           
=======================================
  Files          65       65           
  Lines         718      718           
  Branches       10       10           
=======================================
  Hits          668      668           
  Misses         50       50

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