docs: fix ListView reference in SliverList documentation (#165827)

**Description**
This pull request fixes a minor documentation issue in the SliverList
reference, where a missing closing bracket ] in the ListView reference
could lead to confusion when reading the docs.

By correcting this, we improve the readability and clarity of the
documentation for Flutter developers referencing the SliverList widget.

**Why is this change needed?**

- Proper documentation is essential for developers to understand Flutter
widgets efficiently.
- The missing bracket could cause confusion for new contributors and
developers reading the API documentation.
- While this is a small fix, ensuring high-quality documentation aligns
with Flutter’s commitment to a great developer experience.


**Screenshot Before Fixing** 

<img width="615" alt="Screenshot 2025-03-25 at 12 08 15 AM"
src="https://github.com/user-attachments/assets/d714d15d-5c78-46cf-8e7e-7347a788f9c7"
/>

**Screenshot After Fixing** 

<img width="578" alt="Screenshot 2025-03-25 at 12 20 20 AM"
src="https://github.com/user-attachments/assets/59dce920-1901-4d89-a598-f9e79a07a2d2"
/>



**Joining the Flutter Open-Source Community**

This is my first open-source contribution to Flutter, and I’m very
excited to start contributing more to the project! 🚀


## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with ///).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

packages/flutter/lib/src/widgets/scroll_view.dart

@@ -787,7 +787,7 @@ class CustomScrollView extends ScrollView {
   /// be laid out in a viewport (i.e. when scrolling).
   ///
   /// Typically, the simplest way to combine boxes into a sliver environment is
-  /// to use a [SliverList] (maybe using a [ListView, which is a convenient
+  /// to use a [SliverList] (maybe using a [ListView], which is a convenient
   /// combination of a [CustomScrollView] and a [SliverList]). In rare cases,
   /// e.g. if a single [Divider] widget is needed between two [SliverGrid]s,
   /// a [SliverToBoxAdapter] can be used to wrap the box widgets.