Prepare webdev for release to 3.0.7 (#2196)

diff --git a/frontend_server_common/pubspec.yaml b/frontend_server_common/pubspec.yaml
index 7c9cfea..0e7cd75 100644
--- a/frontend_server_common/pubspec.yaml
+++ b/frontend_server_common/pubspec.yaml
@@ -7,7 +7,7 @@
 
 dependencies:
   dwds: any
-  file: ^7.0.0
+  file: ">=6.0.0 <8.0.0"
   logging: ^1.0.1
   meta: ^1.4.0
   mime: ^1.0.0
diff --git a/test_common/pubspec_overrides.yaml b/test_common/ignore_pubspec_overrides.yaml
similarity index 100%
rename from test_common/pubspec_overrides.yaml
rename to test_common/ignore_pubspec_overrides.yaml
diff --git a/test_common/pubspec.yaml b/test_common/pubspec.yaml
index 7110aa5..a253de2 100644
--- a/test_common/pubspec.yaml
+++ b/test_common/pubspec.yaml
@@ -7,7 +7,7 @@
 
 dependencies:
   dwds: any
-  file: ^7.0.0
+  file: ">=6.0.0 <8.0.0"
   logging: ^1.0.1
   path: ^1.8.1
   test: ^1.21.1
diff --git a/webdev/CHANGELOG.md b/webdev/CHANGELOG.md
index c57d812..7e48c72 100644
--- a/webdev/CHANGELOG.md
+++ b/webdev/CHANGELOG.md
@@ -1,7 +1,8 @@
-## 3.0.7-wip
+## 3.0.7
 
 - Update `build_web_compilers` constraint to `^4.0.4`.
 - Update SDK constraint to `>=3.1.0-340.0.dev <4.0.0`.
+- Update `dwds` constraint to `20.0.1`.
 
 ## 3.0.6
 
diff --git a/webdev/pubspec_overrides.yaml b/webdev/ignore_pubspec_overrides.yaml
similarity index 100%
rename from webdev/pubspec_overrides.yaml
rename to webdev/ignore_pubspec_overrides.yaml
diff --git a/webdev/lib/src/version.dart b/webdev/lib/src/version.dart
index 5967d85..2e7f10f 100644
--- a/webdev/lib/src/version.dart
+++ b/webdev/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '3.0.7-wip';
+const packageVersion = '3.0.7';
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index 02e8d50..3c35b61 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -1,6 +1,6 @@
 name: webdev
 # Every time this changes you need to run `dart run build_runner build`.
-version: 3.0.7-wip
+version: 3.0.7
 # We should not depend on a dev SDK before publishing.
 # publish_to: none
 description: >-
@@ -19,7 +19,7 @@
   crypto: ^3.0.2
   dds: ^2.2.0
   # Pin DWDS to avoid dependency conflicts with vm_service:
-  dwds: 19.0.2
+  dwds: 20.0.1
   http: ^0.13.4
   http_multi_server: ^3.2.0
   io: ^1.0.3