Update sbt-hydra to 2.1.5

[scala-steward]

Updates com.triplequote:sbt-hydra from 2.1.4 to 2.1.5.

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 = "com.triplequote", artifactId = "sbt-hydra" }]

labels: semver-patch

[codecov-io]

Codecov Report

Merging #2865 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2865   +/-   ##
=======================================
  Coverage   94.21%   94.21%           
=======================================
  Files         368      368           
  Lines        6948     6948           
  Branches      307      308    +1     
=======================================
  Hits         6546     6546           
  Misses        402      402

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