Drop unnecessary SDK constraint suffix (dart-lang/http_multi_server#40)
The `-0` suffix allowed pre-stable SDKs before the launch of null
safety, but with the stable release available it is not necessary.
diff --git a/pkgs/http_multi_server/pubspec.yaml b/pkgs/http_multi_server/pubspec.yaml
index 02f9ebe..4b9edf5 100644
--- a/pkgs/http_multi_server/pubspec.yaml
+++ b/pkgs/http_multi_server/pubspec.yaml
@@ -6,7 +6,7 @@
homepage: https://github.com/dart-lang/http_multi_server
environment:
- sdk: '>=2.12.0-0 <3.0.0'
+ sdk: '>=2.12.0 <3.0.0'
dependencies:
async: ^2.5.0