Justfile: Use crates-admin enqueue-job

... instead of the deprecated `enqueue-job` binary

Author: Turbo87

Justfile

@@ -12,7 +12,7 @@ _assert_heroku:
 # Squash the index (specify env=production or env=staging)
 squash-index: _assert_heroku
     @echo Running an index sqaush against app: {{ app }}
-    heroku run -a {{ app }} -- target/release/enqueue-job squash_index
+    heroku run -a {{ app }} -- target/release/crates-admin enqueue-job squash_index
     @echo
     @echo There are several steps that must be done by hand:
     @echo 1. Fetch the index and push the snapshot branch to the "crates.io-index-archive" repo.