Merge pull request #3299 from scala-steward/update/sbt-typelevel-mergify-0.6.7

Update sbt-typelevel-mergify to 0.6.7

Author: mergify[bot]

project/plugins.sbt

@@ -11,4 +11,4 @@ addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.5.2")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.11")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.6.6")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.6.7")