allow latest pkg:http and pkg:googleapis (#164)

* allow latest pkg:http

* allow latest pkg:googleapis

* chore: bump version and add CHANGELOG entry
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c4e9fe..a93af8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.8.9
+
+- Support the latest version 1.0.0 of the `http` package.
+- Support the latest version 12.0.0 of the `googleapis` package.
+
 ## 0.8.8
 
 - Require Dart 2.19
diff --git a/pubspec.yaml b/pubspec.yaml
index a0b3a97..676df66 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: gcloud
-version: 0.8.8
+version: 0.8.9
 description: >-
   High level idiomatic Dart API for Google Cloud Storage, Pub-Sub and Datastore.
 repository: https://github.com/dart-lang/gcloud
@@ -12,8 +12,8 @@
 
 dependencies:
   _discoveryapis_commons: ^1.0.0
-  googleapis: '>=3.0.0 <11.0.0'
-  http: ^0.13.0
+  googleapis: '>=3.0.0 <12.0.0'
+  http: '>=0.13.5 <2.0.0'
   meta: ^1.3.0
 
 dev_dependencies: