Merge pull request #135 from grafana/update-readme-breaking-changes

update breaking changes v0.14.0

README.md

@@ -191,7 +191,10 @@ The [`go-depsync`](https://github.com/grafana/go-depsync/) tool can check for th
 
 ## Library usage
 
-> !Breaking change: since v0.14.0 `xk6.Builder.Build` function no longer reads environment variables to complete missing attributes. Use `xk6.FromOSEnv()` to create a builder from environment variables and then complete or override attributes as needed.
+
+>Breaking changes since v0.14.0:
+> - `xk6.Builder.Build` function no longer reads environment variables to complete missing attributes. Use `xk6.FromOSEnv()` to create a builder from environment variables and then complete or override attributes as needed.
+> - Dependencies and replacements are now defined as arrays of strings following go mod path replacement format
 
 ```go
 // create builder with defaults from environment variables