Update sbt-typelevel-mergify to 0.7.0

Author: scala-steward

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" % "0.6.7")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.7.0")