[image_picker_for_web] Bump version for NNBD stable (#3635)

diff --git a/packages/image_picker/image_picker_for_web/CHANGELOG.md b/packages/image_picker/image_picker_for_web/CHANGELOG.md
index fcc6c99..7b2c407 100644
--- a/packages/image_picker/image_picker_for_web/CHANGELOG.md
+++ b/packages/image_picker/image_picker_for_web/CHANGELOG.md
@@ -1,10 +1,7 @@
-# 2.0.0-nullsafety.1
-
-* Add doc comments to point out that some arguments aren't supported on the web.
-
-# 2.0.0-nullsafety
+# 2.0.0
 
 * Migrate to null safety.
+* Add doc comments to point out that some arguments aren't supported on the web.
 
 # 0.1.0+3
 
diff --git a/packages/image_picker/image_picker_for_web/pubspec.yaml b/packages/image_picker/image_picker_for_web/pubspec.yaml
index adc6361..045be48 100644
--- a/packages/image_picker/image_picker_for_web/pubspec.yaml
+++ b/packages/image_picker/image_picker_for_web/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Web platform implementation of image_picker
 homepage: https://github.com/flutter/plugins/tree/master/packages/image_picker/image_picker_for_web
 
-version: 2.0.0-nullsafety.1
+version: 2.0.0
 
 flutter:
   plugin:
@@ -12,19 +12,18 @@
         fileName: image_picker_for_web.dart
 
 dependencies:
-  image_picker_platform_interface: ^2.0.0-nullsafety
+  image_picker_platform_interface: ^2.0.0
+  meta: ^1.3.0
   flutter:
     sdk: flutter
   flutter_web_plugins:
     sdk: flutter
-  meta: ^1.3.0-nullsafety.6
-  js: ^0.6.3-nullsafety.3
 
 dev_dependencies:
+  pedantic: ^1.10.0
   flutter_test:
     sdk: flutter
-  pedantic: ^1.10.0
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
-  flutter: ">=1.10.0"
+  sdk: ">=2.12.0-259.9.beta <3.0.0"
+  flutter: ">=1.20.0"