Prepare dart_internal for the next SDK version bump

Change-Id: Idfdd2ca9f1e9d953c1baed8ce7b59c7e3a0d7508
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/491820
Commit-Queue: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Ivan Inozemtsev <iinozemtsev@google.com>

pkg/dart_internal/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.18
+
+- Support the latest Dart SDK.
+
 ## 0.2.17
 
 - Support the latest Dart SDK.

pkg/dart_internal/pubspec.yaml

@@ -1,5 +1,5 @@
 name: dart_internal
-version: 0.2.17
+version: 0.2.18
 description: >-
   This package is not intended for wide use. It provides a temporary API to
   solve the problem: "Given an object some generic type A, how do I construct an
@@ -9,7 +9,7 @@ repository: https://github.com/dart-lang/sdk/tree/main/pkg/dart_internal
 environment:
   # Restrict the upper bound so that we can remove support for this in a later
   # version of the SDK without it being a breaking change.
-  sdk: '>=3.5.0 <3.13.0'
+  sdk: '>=3.5.0 <3.14.0'
 
 resolution: workspace