Fix version-specific manifest for 5.6..<5.9

lorentey · lorentey · commit 5f7709d5d057 · 2023-07-18T14:57:15.000-07:00
diff --git a/Package@swift-5.6.swift b/Package@swift-5.6.swift
diff --git a/Package@swift-5.7.swift b/Package@swift-5.7.swift
@@ -0,0 +1 @@
+Package@swift-5.6.swift
diff --git a/Package@swift-5.8.swift b/Package@swift-5.8.swift
@@ -0,0 +1 @@
+Package@swift-5.6.swift
