ci: remove the --dry-run attribute on our package publish job (#567)

Author: JesseOlmer

.yamato/project-publish.yml

@@ -10,7 +10,7 @@ publish_{{ project.name }}_{{ package.name }}:
     flavor: b1.large
   commands:
     - npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
-    - upm-ci package publish --package-path {{ package.path }} --dry-run
+    - upm-ci package publish --package-path {{ package.path }}
   artifacts:
     artifacts:
       paths: