Don't consider resolution outdated in dev-releases (#3678)

diff --git a/lib/src/entrypoint.dart b/lib/src/entrypoint.dart
index 60a235e..bc9e4f9 100644
--- a/lib/src/entrypoint.dart
+++ b/lib/src/entrypoint.dart
@@ -896,18 +896,13 @@
   /// Checks whether or not the `.dart_tool/package_config.json` file is was
   /// generated by a different sdk down changes in minor versions.
   ///
-  /// For pre-releases we always consider the package_config.json out of date
-  /// when the version changes.
-  ///
   /// Throws [DataException], if `.dart_tool/package_config.json` the version
   /// changed sufficiently.
   void _checkPackageConfigSameDartSdk() {
     final generatorVersion = packageConfig.generatorVersion;
     if (generatorVersion == null ||
         generatorVersion.major != sdk.version.major ||
-        generatorVersion.minor != sdk.version.minor ||
-        generatorVersion.isPreRelease ||
-        sdk.version.isPreRelease) {
+        generatorVersion.minor != sdk.version.minor) {
       dataError('The sdk was updated since last package resolution. Please run '
           '"$topLevelProgram pub get" again.');
     }