Bump meta to 1.3.0-nullsafety
diff --git a/pubspec.yaml b/pubspec.yaml
index 18bfdf4..1ef97bf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,7 +14,7 @@
   collection: ^1.1.0
   dart_style: ^1.3.6
   matcher: ^0.12.3
-  meta: '>=1.0.4 <1.2.0'
+  meta: ^1.3.0-nullsafety
   source_gen: ^0.9.6
   test_api: ^0.2.19-nullsafety