chore: set max SDK version to <3.0.0 (#4)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 554bcf2..4acc71e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.1.5
+
+* Set max SDK version to `<3.0.0`.
+
 ## 1.1.4
 
 * Support source maps that depend on the uri of the location to resolve spans
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 c103c6c..77cf804 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,18 +1,18 @@
 name: source_map_stack_trace
-version: 1.1.5-dev
-description: >
-  A package for applying source maps to stack traces.
+version: 1.1.5
+
+description: A package for applying source maps to stack traces.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/source_map_stack_trace
 
+environment:
+  sdk: '>=1.8.0 <3.0.0'
+
 dependencies:
-  package_resolver: "^1.0.0"
-  path: "^1.0.0"
-  stack_trace: "^1.0.0"
-  source_maps: "^0.10.2"
+  package_resolver: ^1.0.0
+  path: ^1.0.0
+  stack_trace: ^1.0.0
+  source_maps: ^0.10.2
 
 dev_dependencies:
-  test: "^0.12.0"
-
-environment:
-  sdk: '>=1.8.0 <2.0.0'
+  test: '>=0.12.0 <2.0.0'