fix(sea-builder): remove erroneous closing brace causing syntax error

Fixed "Illegal return statement" syntax error introduced when adding
bootstrap rebuild code. Removed spurious closing brace and fixed
indentation of spawn call and error handling.

Author: jdalton

packages/node-sea-builder/scripts/build.mjs

@@ -517,31 +517,30 @@ async function buildTarget(target, options) {
   getDefaultLogger().log('')
 
   const result = await spawn(
-      'pnpm',
-      ['--filter', '@socketsecurity/bootstrap', 'run', 'build'],
-      {
-        cwd: path.join(__dirname, '../../..'),
-        shell: WIN32,
-        stdio: 'inherit',
-      }
-    )
-
-    if (result.code !== 0) {
-      throw new Error(
-        `Failed to build @socketsecurity/bootstrap. Exit code: ${result.code}`,
-      )
-    }
+    'pnpm',
+    ['--filter', '@socketsecurity/bootstrap', 'run', 'build'],
+    {
+      cwd: path.join(__dirname, '../../..'),
+      shell: WIN32,
+      stdio: 'inherit',
+    },
+  )
 
-    // Verify bootstrap was built.
-    if (!existsSync(bootstrapPath)) {
-      throw new Error(
-        `Bootstrap build succeeded but file not found at ${bootstrapPath}`,
-      )
-    }
+  if (result.code !== 0) {
+    throw new Error(
+      `Failed to build @socketsecurity/bootstrap. Exit code: ${result.code}`,
+    )
+  }
 
-    getDefaultLogger().log('')
+  // Verify bootstrap was built.
+  if (!existsSync(bootstrapPath)) {
+    throw new Error(
+      `Bootstrap build succeeded but file not found at ${bootstrapPath}`,
+    )
   }
 
+  getDefaultLogger().log('')
+
   getDefaultLogger().log(`Using bootstrap from: ${bootstrapPath}`)
 
   // Read the bootstrap code.