[ffi] Update pubspec to sdk >= 2.6.0-dev.8.2 (dart-archive/ffi#18)

Author: dcharkes

pkgs/ffi/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.1.4
+
+Bump SDK constraint to `>= 2.6.0-dev.8.2` which contains the new API of `dart:ffi`.
+
 ## 0.1.3-dev.3
 
 Replace use of deprecated `asExternalTypedData` with `asTypedList`.

pkgs/ffi/pubspec.yaml

@@ -1,11 +1,11 @@
 name: ffi
-version: 0.1.3-dev.3
+version: 0.1.4
 author: Dart Team <[email protected]>
 homepage: https://github.com/dart-lang/ffi
 description: Utilities for working with Foreign Function Interface (FFI) code.
 
 environment:
-  sdk: '>=2.6.0-dev.6.0 <3.0.0'
+  sdk: '>=2.6.0-dev.8.2 <3.0.0'
 documentation: https://pub.dev/documentation/ffi/
 
 dependencies: