Add Scalafix migration for Cats Effect 3.0.0 (#1940)

* Add Scalafix migration for Cats Effect 3.0.0

* Also run the migration if we're just bumping cats-effect-laws

Author: fthomas

modules/core/src/main/resources/scalafix-migrations.conf

@@ -124,6 +124,14 @@ migrations = [
     rewriteRules: ["github:typelevel/cats-effect/v2_4_0?sha=series/2.x"],
     doc: "https://github.com/typelevel/cats-effect/blob/v2.4.0/scalafix/README.md"
   },
+  {
+    groupId: "org.typelevel",
+    artifactIds: ["cats-effect", "cats-effect-laws"],
+    newVersion: "3.0.0",
+    rewriteRules: ["github:typelevel/cats-effect/v3_0_0?sha=series/3.x"],
+    doc: "https://github.com/typelevel/cats-effect/blob/ce3-migration-guide/migration-guide.md",
+    scalacOptions: ["-P:semanticdb:synthetics:on"]
+  },
   {
     groupId: "org.typelevel",
     artifactIds: ["cats-parse"],