Support the latest pkg:http, prepare for release (#9)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7765f9..9005ccd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.1+3
+
+* Support the latest `pkg:http` release.
+
 ## 0.1.1+2
 
 * Set max SDK version to `<3.0.0`, and adjust other dependencies.
diff --git a/analysis_options.yaml b/analysis_options.yaml
deleted file mode 100644
index 2e6cdca..0000000
--- a/analysis_options.yaml
+++ /dev/null
@@ -1 +0,0 @@
-analyzer:
diff --git a/pubspec.yaml b/pubspec.yaml
index ab20de2..74168c4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,16 +1,16 @@
 name: http_retry
-version: 0.1.1+2
+version: 0.1.1+3
 
 description: HTTP client middleware that automatically retries requests.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/http_retry
 
 environment:
-  sdk: '>=2.0.0-dev.17.0 <3.0.0'
+  sdk: '>=2.0.0 <3.0.0'
 
 dependencies:
   async: ^2.0.7
-  http: ^0.11.0
+  http: '>=0.11.0 <0.13.0'
 
 dev_dependencies:
   fake_async: ^1.0.0