Update sbt-github-actions to 0.25.0 (#397)

Author: scala-steward

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.3.1")
 
-addSbtPlugin("com.github.sbt" % "sbt-github-actions" % "0.24.0")
+addSbtPlugin("com.github.sbt" % "sbt-github-actions" % "0.25.0")
 
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.2")