Update kind-projector to 0.9.10

Author: scala-steward

build.sbt

@@ -38,7 +38,7 @@ enablePlugins(StandaloneUnidoc, TravisUnidocTitle)
 
 unidocProjectFilter in ScalaUnidoc in unidoc := inAggregates(LocalRootProject)
 
-addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.3")
+addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.10")
 
 addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full)