Fix pack command

.yamato/package-pack.yml

@@ -8,7 +8,7 @@ agent:
 commands:
     - |
         npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
-        upm-ci package pack
+        upm-ci package pack --package-path com.unity.xr-content.xr-sim-environments
         curl -L https://artifactory.prd.it.unity3d.com/artifactory/api/security/keypair/default-gpg-key/public | sudo apt-key add -
         sudo sh -c "echo 'deb https://artifactory.prd.it.unity3d.com/artifactory/unity-apt-local bionic main' > /etc/apt/sources.list.d/unity.list"
         sudo apt update