chore: set max SDK version to <3.0.0 (#17)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46d142f..9880518 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.3.6
+
+* Set max SDK version to `<3.0.0`, and adjust other dependencies.
+
 ## 1.3.5
 
 - Updated SDK version to 2.0.0-dev.17.0
diff --git a/analysis_options.yaml b/analysis_options.yaml
deleted file mode 100644
index a10d4c5..0000000
--- a/analysis_options.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-analyzer:
-  strong-mode: true
diff --git a/pubspec.yaml b/pubspec.yaml
index e10dadf..84b97b2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,15 +1,16 @@
 name: pool
-version: 1.3.6-dev
-author: Dart Team <misc@dartlang.org>
+version: 1.3.6
+
 description: A class for managing a finite pool of resources.
+author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/pool
 
 environment:
-  sdk: ">=2.0.0-dev.17.0 <2.0.0"
+  sdk: '>=2.0.0-dev.17.0 <3.0.0'
 
 dependencies:
-  async: ">=1.4.0 <3.0.0"
-  stack_trace: ">=0.9.2 <2.0.0"
+  async: '>=1.4.0 <3.0.0'
+  stack_trace: '>=0.9.2 <2.0.0'
 
 dev_dependencies:
   fake_async: ^1.0.0