fix universe packages

Signed-off-by: Richard Jones <richard@dagger.io>

pkg/universe.dagger.io/docker/build.cue

@@ -48,12 +48,10 @@ import (
 
 	// Execute copy operation
 	_copy: engine.#Copy & {
-		"input": input.rootfs
-		"source": {
-			root: contents
-			path: source
-		}
-		"dest": dest
+		"input":    input.rootfs
+		"contents": contents
+		source:     source
+		"dest":     dest
 	}
 
 	output: #Image & {

pkg/universe.dagger.io/examples/changelog.com/lowlevel/main.cue

@@ -98,9 +98,9 @@ engine.#Plan & {
 		}
 
 		appImage: engine.#Copy & {
-			input: runtimeImage.output
-			source: root: inputs.directories.app.contents
-			dest: "/app"
+			input:    runtimeImage.output
+			contents: inputs.directories.app.contents
+			dest:     "/app"
 		}
 
 		deps: engine.#Exec & {