Update bazel-diff version in README

Updated bazel-diff dependency version from 9.0.3 to 11.0.0.

Author: tinder-maxwellelliott

README.md

@@ -269,7 +269,7 @@ First, add the following snippet to your project:
 #### Bzlmod snippet
 
 ```bazel
-bazel_dep(name = "bazel-diff", version = "9.0.3")
+bazel_dep(name = "bazel-diff", version = "11.0.0")
 ```
 
 You can now run the tool with: