Remove author from pubspec, add changelog, update repository

Change-Id: I8778fad420f4354cd55d8d79cf3d93e842a94b5a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/156584
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>

pkg/dart_internal/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.1.10
+
+- Support the latest Dart SDK.

pkg/dart_internal/pubspec.yaml

@@ -1,7 +1,6 @@
 name: dart_internal
 version: 0.1.10
-author: "Dart Team <misc@dartlang.org>"
-homepage: http://www.dartlang.org
+repository: https://github.com/dart-lang/sdk/tree/master/pkg/dart_internal
 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
@@ -13,6 +12,7 @@ description: >
   into 2.0, so this package is provided as a temporary workaround.
 
   We will very likely remove support for this in a later version of Dart.
+
 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.