GitHub Sync (#243)

* Update GitHub CI configuration

Cleanup dependencies in pubspec
Remove pre-release entries from changelog

PiperOrigin-RevId: 377961438

* Fix missing CI update

PiperOrigin-RevId: 378445008

* sort directives

PiperOrigin-RevId: 378445046

* A bit more cleanup to CI scripts

Use latest setup-chromedriver
Specify dart setup with the same version string

PiperOrigin-RevId: 378447320
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0f10aa7..4c5911b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -43,10 +43,10 @@
         sdk: [dev]
     steps:
     - uses: actions/checkout@v2
-    - uses: dart-lang/setup-dart@v0.3
+    - uses: dart-lang/setup-dart@v1
       with:
         sdk: ${{ matrix.sdk }}
-    - uses: nanasess/setup-chromedriver@v1.0.1
+    - uses: nanasess/setup-chromedriver@v1.0.5
     - id: install
       name: Install dependencies
       run: dart pub get
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4731c1..1ae76cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,9 @@
+## 3.0.1-dev
+
 ## 3.0.0
 
 * Stable release for null safety.
 
-## 3.0.0-nullsafety.1
-
-* Make pedantic a dev_dependency.
-
-## 3.0.0-nullsafety.0
-
-- Enable null safety.
-
 ## v2.1.2
 
 * Updated to latest version of sync_http.
diff --git a/pubspec.yaml b/pubspec.yaml
index d0b9de4..cbc67c6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: webdriver
-version: 3.0.0
+version: 3.0.1-dev
 
 description: >-
   Provides WebDriver bindings for Dart.
@@ -9,7 +9,7 @@
 homepage: https://github.com/google/webdriver.dart
 
 environment:
-  sdk: '>=2.12.0-0 <3.0.0'
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   archive: ^3.0.0
@@ -19,5 +19,5 @@
   sync_http: ^0.3.0
 
 dev_dependencies:
-  pedantic: ^1.10.0-nullsafety.0
-  test: ^1.16.0-nullsafety.0
+  pedantic: ^1.10.0
+  test: ^1.16.0