Remove strictness of graphql error check in retry. (#2189)

diff --git a/auto_submit/lib/service/validation_service.dart b/auto_submit/lib/service/validation_service.dart
index 7270062..d60aba7 100644
--- a/auto_submit/lib/service/validation_service.dart
+++ b/auto_submit/lib/service/validation_service.dart
@@ -514,12 +514,8 @@
   // We have to make this check because mutate does not explicitely throw an
   // exception, rather it wraps any exceptions encountered.
   if (result.hasException) {
-    if (result.exception!.graphqlErrors.length == 1 &&
-        result.exception!.graphqlErrors.first.message
-            .contains('Base branch was modified. Review and try the merge again')) {
-      // This exception will bubble up if retries are exhausted.
-      throw RetryableMergeException(result.exception!.graphqlErrors.first.message, result.exception!.graphqlErrors);
-    }
+    // This exception will bubble up if retries are exhausted.
+    throw RetryableMergeException(result.exception!.graphqlErrors.first.message, result.exception!.graphqlErrors);
   }
 
   return result;
diff --git a/dashboard/pubspec.lock b/dashboard/pubspec.lock
index 80f16ae..5aa43dc 100644
--- a/dashboard/pubspec.lock
+++ b/dashboard/pubspec.lock
@@ -323,7 +323,7 @@
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.5"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
@@ -447,7 +447,7 @@
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
@@ -461,7 +461,7 @@
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   stream_transform:
     dependency: transitive
     description:
@@ -489,7 +489,7 @@
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.12"
+    version: "0.4.14"
   timing:
     dependency: transitive
     description:
@@ -573,7 +573,7 @@
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   watcher:
     dependency: transitive
     description:
@@ -596,5 +596,5 @@
     source: hosted
     version: "3.1.1"
 sdks:
-  dart: ">=2.17.0 <3.0.0"
+  dart: ">=2.18.0 <3.0.0"
   flutter: ">=2.10.0"