update path dep (#1273)

diff --git a/pubspec.yaml b/pubspec.yaml
index 0661bb9..bded5d2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -23,5 +23,5 @@
   grinder: ^0.8.0
   markdown: ^2.0.0
   matcher: ^0.12.0
-  path: '>=0.9.0 <2.0.0'
+  path: ^1.2.0
   test: ^1.0.0