chore(deps): update dependency com.eed3si9n:sbt-projectmatrix to v0.9.1

Author: renovate[bot]

project/plugins.sbt

@@ -1,5 +1,5 @@
 // Cross compilation matrix
-addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.9.0")
+addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.9.1")
 
 // Scalafmt (formatter)
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.0")