Merge pull request #231 from innFactory/update/sbt-wartremover-3.1.6

chore: update sbt-wartremover, wartremover from 3.1.5 to 3.1.6

Author: mergify[bot]

project/plugins.sbt

@@ -1,5 +1,5 @@
 addSbtPlugin("com.codecommit"               %% "sbt-github-packages"  % "0.5.3")
-addSbtPlugin("org.wartremover"              %% "sbt-wartremover"      % "3.1.5")
+addSbtPlugin("org.wartremover"              %% "sbt-wartremover"      % "3.1.6")
 addSbtPlugin("org.scalameta"                %% "sbt-scalafmt"         % "2.5.2")
 addSbtPlugin("com.disneystreaming.smithy4s" %% "smithy4s-sbt-codegen" % "0.17.19")
 addSbtPlugin("com.typesafe.play"            %% "sbt-plugin"           % "2.9.1")