fix adapter

Author: Yuangwang

packages/@apphosting/adapter-nextjs/src/bin/build.spec.ts

@@ -65,7 +65,7 @@ metadata:
 outputFiles:
   serverApp:
     include:
-      - ${outputBundleOptions.outputDirectoryAppPath}
+      - .next/standalone
 `,
     };
     validateTestFiles(tmpDir, expectedFiles);

packages/@apphosting/adapter-nextjs/src/utils.ts

@@ -197,7 +197,7 @@ async function generateBundleYaml(
   if (!process.env.MONOREPO_COMMAND) {
     outputBundle.outputFiles = {
       serverApp: {
-        include: [opts.outputDirectoryAppPath],
+        include: [normalize(relative(cwd, opts.outputDirectoryAppPath))],
       },
     };
   }