Start analyzer 8.0.0-dev

Change-Id: I4526b2dc715c35514d282f74caacf6f5119cd1c0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/422840
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analysis_server_plugin/pubspec.yaml b/pkg/analysis_server_plugin/pubspec.yaml
index 6530a21..3a76857 100644
--- a/pkg/analysis_server_plugin/pubspec.yaml
+++ b/pkg/analysis_server_plugin/pubspec.yaml
@@ -9,7 +9,7 @@
 resolution: workspace
 
 dependencies:
-  analyzer: ^7.4.0
+  analyzer: ^8.0.0-0
   analyzer_plugin: ^0.13.0
   meta: ^1.16.0
   yaml: ^3.1.0
diff --git a/pkg/analyzer/CHANGELOG.md b/pkg/analyzer/CHANGELOG.md
index 9dc4f2b..8bd1152 100644
--- a/pkg/analyzer/CHANGELOG.md
+++ b/pkg/analyzer/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 8.0.0-dev
+* Remove deprecated element model V1.
+
 ## 7.4.1
 * Restore `InstanceElement.augmented` getter.
   This API was removed in 7.4.0 under the assumption that its removal would
diff --git a/pkg/analyzer/pubspec.yaml b/pkg/analyzer/pubspec.yaml
index c87ddda..703f411 100644
--- a/pkg/analyzer/pubspec.yaml
+++ b/pkg/analyzer/pubspec.yaml
@@ -1,5 +1,5 @@
 name: analyzer
-version: 7.4.1
+version: 8.0.0-dev
 description: >-
   This package provides a library that performs static analysis of Dart code.
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/analyzer
diff --git a/pkg/analyzer_plugin/pubspec.yaml b/pkg/analyzer_plugin/pubspec.yaml
index 2805f70..986f60d 100644
--- a/pkg/analyzer_plugin/pubspec.yaml
+++ b/pkg/analyzer_plugin/pubspec.yaml
@@ -9,7 +9,7 @@
 resolution: workspace
 
 dependencies:
-  analyzer: ^7.4.0
+  analyzer: ^8.0.0-0
   collection: ^1.15.0
   dart_style: '>=2.3.7 <4.0.0'
   pub_semver: ^2.1.0