fix: Typo stager -> assert_cmd

it looks like CONTRIBUTING.md was copied from [stager](https://github.com/crate-ci/stager) and the name was just never updated
assert-rs · Oct 7, 2020 · 438c348 · 438c348
1 parent 9ad1c3e
commit 438c348
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-# Contributing to stager
+# Contributing to assert_cmd
 
 Thanks for wanting to contribute! There are many ways to contribute and we
 appreciate any level you're willing to do.