Merge pull request #472 from higherkindness/CE3

Update to cats-effect 3

build.sbt

@@ -1,7 +1,7 @@
 ThisBuild / organization := "io.higherkindness"
 ThisBuild / githubOrganization := "47degrees"
-ThisBuild / scalaVersion := "2.13.4"
-ThisBuild / crossScalaVersions := Seq("2.12.12", "2.13.2")
+ThisBuild / scalaVersion := "2.13.6"
+ThisBuild / crossScalaVersions := Seq("2.12.12", "2.13.6")
 
 addCommandAlias("ci-test", "scalafmtCheckAll; scalafmtSbtCheck; microsite/mdoc; testCovered")
 addCommandAlias("ci-docs", "github; documentation/mdoc; headerCreateAll; microsite/publishMicrosite")
@@ -52,7 +52,7 @@ lazy val commonSettings = Seq(
   scalacOptions ~= (_ filterNot Set("-Xfuture", "-Xfatal-warnings").contains),
   libraryDependencies ++= Seq(
     "org.typelevel"        %% "cats-core"         % "2.6.1",
-    "org.typelevel"        %% "cats-effect"       % "2.5.1",
+    "org.typelevel"        %% "cats-effect"       % "3.1.1",
     "io.higherkindness"    %% "droste-core"       % "0.8.0",
     "io.higherkindness"    %% "droste-macros"     % "0.8.0",
     "org.apache.avro"       % "avro"              % "1.10.2",
@@ -81,7 +81,7 @@ lazy val mdocSettings = Seq(
 
 lazy val compilerPlugins = Seq(
   libraryDependencies ++= Seq(
-    compilerPlugin("org.typelevel" % "kind-projector"     % "0.11.2" cross CrossVersion.full),
+    compilerPlugin("org.typelevel" % "kind-projector"     % "0.13.0" cross CrossVersion.full),
     compilerPlugin("com.olegpy"   %% "better-monadic-for" % "0.3.1")
   )
 )

microsite/docs/docs/index.md

@@ -130,6 +130,7 @@ We can parse it, transform it into a Mu protocol and then convert it into Scala
 
 ```scala mdoc:silent
 import cats.effect.IO
+import cats.effect.unsafe.implicits.global
 import higherkindness.skeuomorph.mu
 import higherkindness.skeuomorph.mu.{CompressionType, MuF}
 import higherkindness.skeuomorph.protobuf._

project/build.properties

@@ -1 +1 @@
-sbt.version=1.4.8
+sbt.version=1.5.3

src/test/scala/higherkindness/skeuomorph/protobuf/ProtobufProtocolSpec.scala

@@ -17,6 +17,7 @@
 package higherkindness.skeuomorph.protobuf
 
 import cats.effect.IO
+import cats.effect.unsafe.implicits.global
 import higherkindness.droste.data.Mu
 import higherkindness.droste.data.Mu._
 import higherkindness.skeuomorph._