Update sbt-ci-release to 1.5.11

[scala-steward]

Updates com.github.sbt:sbt-ci-release from 1.5.10 to 1.5.11. GitHub Release Notes - Version Diff

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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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-ci-release" } ] ``` Or, add this to slow down future updates of this dependency: ``` dependencyOverrides = [{ pullRequests = { frequency = "@monthly" }, dependency = { groupId = "com.github.sbt", artifactId = "sbt-ci-release" } }] ```

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

[scala-steward]

Superseded by #147.