build: use sbt 2

Author: hugo-vrijswijk

build.sbt

@@ -1,8 +1,9 @@
 import Dependencies.*
 import Settings.*
-import sbt.internal.ProjectMatrix
 
-lazy val root = (project withId "stryker4s" in file("."))
+lazy val root = project
+  .withId("stryker4s")
+  .in(file("."))
   .settings(
     buildLevelSettings,
     publish / skip := true,

project/build.properties

@@ -1 +1 @@
-sbt.version=1.12.11
+sbt.version=2.0.0-RC16

project/plugins.sbt

@@ -1,8 +1,7 @@
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.2")
 addSbtPlugin("io.stryker-mutator" % "sbt-stryker4s" % "0.21.0")
 addSbtPlugin("org.typelevel" % "sbt-tpolecat" % "0.5.6")
-addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.11.0")
 
 // Protobuf plugin and its dependencies
-addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.0.8")
-libraryDependencies += "com.thesamet.scalapb" %% "compilerplugin" % "0.11.20"
+addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.1.0-RC1")
+libraryDependencies += "com.thesamet.scalapb" %% "compilerplugin" % "1.0.0-alpha.5"