[pkg/meta] prep for publishing package:meta 1.8.0

Change-Id: I74274bdc98c105115fd778a874de8724b5b133f4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/244561
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>

pkg/meta/CHANGELOG.md

@@ -1,4 +1,4 @@
-## master
+## 1.8.0
 
 * Add `@UseResult.unless`.
 * The mechanism behind `noInline` and `tryInline` from `dart2js.dart` has been

pkg/meta/README.md

@@ -1,4 +1,5 @@
-# Annotations for Static Analysis
+[![pub package](https://img.shields.io/pub/v/meta.svg)](https://pub.dev/packages/meta)
+[![package publisher](https://img.shields.io/pub/publisher/meta.svg)](https://pub.dev/packages/meta/publisher)
 
 This package defines annotations that can be used by the tools that are shipped
 with the Dart SDK.

pkg/meta/pubspec.yaml

@@ -1,10 +1,9 @@
 name: meta
 # Note, because version `2.0.0` was mistakenly released, the next major version must be `3.x.y`.
-version: 1.7.1-dev
+version: 1.8.0
 description: >-
- Annotations that developers can use to express the intentions that otherwise
- can't be deduced by statically analyzing the source code. These annotations
- are intended to be used by tools to provide a better user experience.
+ Annotations used to express developer intentions that can't otherwise be
+ deduced by statically analyzing source code.
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/meta
 
 environment: