FIX: Typo in CI production promotion.

Author: douglas-piconi

.yamato/promotion.yml

@@ -18,6 +18,7 @@ promotion_test_{{ platform.name }}_{{ editor.version }}:
     UPMCI_PROMOTION: 1
   commands:
     - npm install upm-ci-utils@stable -g --registry https://api.bintray.com/npm/unity/unity-npm
+    - upm-ci package pack --package-path ./Packages/com.unity.inputsystem/
     - upm-ci package test --package-path ./Packages/com.unity.inputsystem/ -u {{ editor.version }}
   artifacts:
     logs: