Standardize Package.swift swift settings with ecosystem/package split

Author: coenttb

Package.swift

@@ -49,17 +49,17 @@ let package = Package(
 )
 
 for target in package.targets where ![.system, .binary, .plugin, .macro].contains(target.type) {
-    let settings: [SwiftSetting] = [
-        .enableExperimentalFeature("BuiltinModule"),
+    let ecosystem: [SwiftSetting] = [
+        .strictMemorySafety(),
         .enableUpcomingFeature("ExistentialAny"),
-        .enableUpcomingFeature("InferSendableFromCaptures"),
         .enableUpcomingFeature("InternalImportsByDefault"),
         .enableUpcomingFeature("MemberImportVisibility"),
         .enableExperimentalFeature("Lifetimes"),
         .enableExperimentalFeature("SuppressedAssociatedTypes"),
         .enableExperimentalFeature("SuppressedAssociatedTypesWithDefaults"),
-        .enableExperimentalFeature("ValueGenerics"),
-        .strictMemorySafety()
     ]
-    target.swiftSettings = (target.swiftSettings ?? []) + settings
+
+    let package: [SwiftSetting] = []
+
+    target.swiftSettings = (target.swiftSettings ?? []) + ecosystem + package
 }