update js/meta for the 2.10 dev sdk

- bumps the meta version so it can be published
- updates sdk constraints to be consistent with all other packages (should have been equivalent anyways)

Change-Id: I83520d291625f13b0029e28aecb9714f365a75b7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155460
Reviewed-by: William Hesse <whesse@google.com>
Auto-Submit: Jake Macdonald <jakemac@google.com>

Author: jakemac53

pkg/js/pubspec.yaml

@@ -4,7 +4,7 @@ description: Annotations to create static Dart interfaces for JavaScript APIs.
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/js
 
 environment:
-  sdk: '>=2.10.0-0.0 <2.10.0'
+  sdk: '>=2.10.0-0 <2.10.0'
 
 dev_dependencies:
   pedantic: ^1.9.0

pkg/meta/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.3.0-nullsafety.2
+
+* Update for the 2.10 dev sdk.
+
 ## 1.3.0-nullsafety.1
 
 * Allow the <=2.9.10 stable sdk.

pkg/meta/pubspec.yaml

@@ -1,11 +1,11 @@
 name: meta
-version: 1.3.0-nullsafety.1
+version: 1.3.0-nullsafety.2
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/meta
 description: >
  This library contains the declarations of 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.
 environment:
-  # This must remain a tight constraint until nnbd is stable.
-  sdk: '>=2.10.0-0.0 <2.10.0'
+  # This must remain a tight constraint until nnbd is stable
+  sdk: '>=2.10.0-0 <2.10.0'