Update sbt-mdoc to 2.2.3

[scala-steward]

Updates org.scalameta:sbt-mdoc from 2.2.2 to 2.2.3.
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.

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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.scalameta", artifactId = "sbt-mdoc" } ]

labels: sbt-plugin-update, semver-patch

[codecov]

Codecov Report

Merging #152 into master will decrease coverage by 0.71%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #152      +/-   ##
==========================================
- Coverage   96.40%   95.68%   -0.72%     
==========================================
  Files          10       10              
  Lines         139      139              
  Branches        2        2              
==========================================
- Hits          134      133       -1     
- Misses          5        6       +1     

Impacted Files	Coverage Δ
...ortysevendeg/scalacheck/datetime/GenDateTime.scala	80.00% <0.00%> (-20.00%)	⬇️

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