Prepare to publish matcher (#2564)

Drop `-wip` from the version and extend the `test` constraint to allow
the latest.

Add changes to `test` changelog since it exports the APIs and these
changes are user facing.

Author: natebosch

pkgs/matcher/CHANGELOG.md

@@ -1,4 +1,4 @@
-## 0.12.18-wip
+## 0.12.18
 
 * Add `isSorted` and related matchers for iterables.
 * Consider `NaN` to be equal to itself in `equals`.

pkgs/matcher/pubspec.yaml

@@ -1,5 +1,5 @@
 name: matcher
-version: 0.12.18-wip
+version: 0.12.18
 description: >-
   Support for specifying test expectations via an extensible Matcher class.
   Also includes a number of built-in Matcher implementations for common cases.

pkgs/test/CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 1.27.1-wip
 
+* Add `isSorted` and related matchers for iterables.
+* Consider `NaN` to be equal to itself in `equals`.
 * Bump `test_core` to 0.6.14
 * Removed unused `js` dependency
 

pkgs/test/pubspec.yaml

@@ -20,7 +20,7 @@ dependencies:
 
   # Use a tight version constraint to ensure that a constraint on matcher
   # properly constrains all features it provides.
-  matcher: '>=0.12.16 <0.12.18'
+  matcher: '>=0.12.16 <0.12.19'
 
   node_preamble: ^2.0.0
   package_config: ^2.0.0