Prepare to publsih webdev (#1464)

* Prepare to publsih webdev

* Addressed CR comments

Author: Anna Gringauze

webdev/CHANGELOG.md

@@ -1,6 +1,7 @@
-## 2.7.7-dev
+## 2.7.7
 
 - Handle and log http request serving errors.
+- Update SDK contraint to `>=2.15.0 <3.0.0`.
 
 ## 2.7.6
 

webdev/lib/src/version.dart

@@ -1,6 +1,6 @@
 name: webdev
 # Every time this changes you need to run `dart run build_runner build`.
-version: 2.7.7-dev
+version: 2.7.7
 # We should not depend on a dev SDK before publishing.
 # publish_to: none
 homepage: https://github.com/dart-lang/webdev
@@ -18,7 +18,7 @@ dependencies:
   browser_launcher: ^1.0.0
   crypto: ^3.0.0
   dds: ^2.0.0
-  dwds: ^11.3.0
+  dwds: ^11.5.1
   http: ^0.13.0
   http_multi_server: ^3.0.0
   io: ^1.0.0
@@ -50,9 +50,10 @@ dev_dependencies:
   test_process: ^2.0.2
   webdriver: ^3.0.0
 
-dependency_overrides:
-  dwds:
-    path: ../dwds
+# Uncomment for development versions
+# dependency_overrides:
+#   dwds:
+#     path: ../dwds
 
 executables:
   webdev: