chore: set max SDK version to <3.0.0 (#15)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 984a0ee..5199609 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Set max SDK version to `<3.0.0`, and adjust other dependencies.
+
 ## 2.0.1
 
 * `PercentEncoder` no longer encodes digits. This follows the specified
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 41dd9e9..d6bfdb4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,15 +1,15 @@
 name: convert
-version: 2.0.2-dev
+version: 2.0.2
 description: Utilities for converting between data representations.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/convert
 
 environment:
-  sdk: '>=1.17.0 <2.0.0'
+  sdk: '>=1.17.0 <3.0.0'
 
 dependencies:
-  charcode: '^1.1.0'
-  typed_data: '^1.1.0'
+  charcode: ^1.1.0
+  typed_data: ^1.1.0
 
 dev_dependencies:
-  test: '^0.12.0'
+  test: '>=0.12.0 <2.0.0'