Add sttp 3.6.1 artifact migrations

Author: hugo-vrijswijk

modules/core/src/main/resources/artifact-migrations.v2.conf

@@ -288,5 +288,25 @@ changes = [
     groupIdBefore = io.github.davidgregory084
     groupIdAfter = org.typelevel
     artifactIdAfter = sbt-tpolecat
+  },
+  {
+    groupIdAfter = com.softwaremill.sttp.client3
+    artifactIdBefore = httpclient-backend
+    artifactIdAfter = core
+  },
+  {
+    groupIdAfter = com.softwaremill.sttp.client3
+    artifactIdBefore = httpclient-backend-fs2
+    artifactIdAfter = fs2
+  },
+  {
+    groupIdAfter = com.softwaremill.sttp.client3
+    artifactIdBefore = httpclient-backend-monix
+    artifactIdAfter = monix
+  },
+  {
+    groupIdAfter = com.softwaremill.sttp.client3
+    artifactIdBefore = httpclient-backend-zio
+    artifactIdAfter = zio
   }
 ]