chore: fix wrong binary name in README

README.md

@@ -10,7 +10,7 @@ This repository:
 
 1. Defines the standard tools and workflows that Mozilla Release Engineering
    endeavours to use across its projects.
-2. Implements a `reps` binary that can be used to bootstrap new projects based
+2. Implements a `reps-new` binary that can be used to bootstrap new projects based
    on the defined standard.
 
 ## Project Standard
@@ -21,7 +21,7 @@ the REPS definition.
 
 ## Usage
 
-The `reps` tool can be used to bootstrap new projects that conform to this
+The `reps-new` tool can be used to bootstrap new projects that conform to this
 standard. It is recommended to install and run it with
 [pipx](https://github.com/pypa/pipx) (so the most up to date version is always
 used):