chore: add newline between package and release notes

Author: harmw

modules/core/src/main/scala/org/scalasteward/core/forge/data/NewPullRequestData.scala

@@ -69,7 +69,7 @@ object NewPullRequestData {
         s"""|## _About this PR_
             |📦 Updates $artifacts ${fromTo(u)}${showMajorUpgradeWarning(u)}
             |${renderUpdateInfoUrls(updateInfoUrls)
-             .map(urls => s"📜 $urls")
+             .map(urls => s"\n📜 $urls")
              .getOrElse("")}""".stripMargin.trim
       },
       grouped = g => {

modules/core/src/test/scala/org/scalasteward/core/nurture/NurtureAlgTest.scala

@@ -40,6 +40,7 @@ class NurtureAlgTest extends CatsEffectSuite with Http4sDsl[MockEff] {
       body =
         raw"""## _About this PR_
              |📦 Updates [org.typelevel:cats-effect](https://github.com/typelevel/cats-effect) from 3.3.0 to 3.4.0
+             |
              |📜 [GitHub Release Notes](https://github.com/typelevel/cats-effect/releases/tag/v3.4.0) - [Version Diff](https://github.com/typelevel/cats-effect/compare/v3.3.0...v3.4.0)
              |
              |