Use given instead of implicit val (#8870)

lm-coursier/src/main/scala/lmcoursier/internal/LockedArtifactsRun.scala

@@ -17,7 +17,7 @@ object LockedArtifactsRun {
       verbosityLevel: Int,
       log: Logger
   ): Either[String, Seq[(Dependency, Publication, Artifact, Option[File])]] = {
-    implicit val ec: ExecutionContext = cache.ec
+    given ExecutionContext = cache.ec
 
     if (verbosityLevel >= 1) {
       log.info("Fetching artifacts from lock file")

lm-ivy/src/test/scala/sbt/internal/librarymanagement/SftpRepoSpec.scala

@@ -18,7 +18,7 @@ object SftpRepoSpec extends BaseIvySpecification {
   def module(org: String) = org % "some-lib" % "version"
 
   override def resolvers = {
-    implicit val patterns = Resolver.defaultIvyPatterns
+    given Patterns = Resolver.defaultIvyPatterns
     repo.map { repo =>
       val privateKeyFile = Paths.get(sys.env("HOME"), ".ssh", s"id_${repo}").toFile
       Resolver.sftp(repo, s"repo.${repo}.com", 2222).as(repo, privateKeyFile)

util-collection/src/test/scala/DagSpecification.scala

@@ -24,7 +24,7 @@ object DagSpecification extends Properties("Dag") {
     dependenciesPrecedeNodes(dag.topologicalSort)
   }
 
-  implicit lazy val arbTestDag: Arbitrary[TestDag] = Arbitrary(Gen.sized(dagGen))
+  given Arbitrary[TestDag] = Arbitrary(Gen.sized(dagGen))
   private def dagGen(nodeCount: Int): Gen[TestDag] = {
     val nodes = new HashSet[TestDag]
     def nonterminalGen(p: Gen.Parameters): Gen[TestDag] = {