chore: set max SDK version to <3.0.0 (#5)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b26ad3..6ee5e6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.1
+
+* Set max SDK version to `<3.0.0`.
+
 ## 1.0.0
 
 * Initial version.
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 02a5b2a..6ef0c7c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,13 +1,14 @@
 name: term_glyph
-version: 1.0.1-dev
+version: 1.0.1
+
 description: Useful glyphs and Windows-safe equivalents.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/term_glyph
 
 environment:
-  sdk: '>=1.8.0 <2.0.0'
+  sdk: '>=1.8.0 <3.0.0'
 
 dev_dependencies:
-  csv: '^3.0.0'
+  csv: ^3.0.0
   dart_style: '>=0.2.0 <2.0.0'
   test: '>=0.12.0 <2.0.0'