Update sbt-pgp to 2.2.1

[scala-steward]

Updates com.github.sbt:sbt-pgp from 2.1.2 to 2.2.1.
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.

Configure Scala Steward for your repository with a .scala-steward.conf file.

Have a fantastic day writing Scala!

Adjust future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "com.github.sbt", artifactId = "sbt-pgp" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "@monthly" },
  dependency = { groupId = "com.github.sbt", artifactId = "sbt-pgp" }
}]

labels: sbt-plugin-update, early-semver-minor, semver-spec-minor, commit-count:1

[codecov-commenter]

Codecov Report

Base: 91.06% // Head: 91.35% // Increases project coverage by +0.29% 🎉

Coverage data is based on head (6bf90f0) compared to base (9c72b11).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #99      +/-   ##
==========================================
+ Coverage   91.06%   91.35%   +0.29%     
==========================================
  Files          10        8       -2     
  Lines         347      324      -23     
  Branches       13       14       +1     
==========================================
- Hits          316      296      -20     
+ Misses         31       28       -3     

Impacted Files	Coverage Δ
...main/scala-2.13/argus/macros/ParamsASTHelper.scala
...main/scala-2.12/argus/macros/ParamsASTHelper.scala

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[scala-steward]

Superseded by #155.