fix: exit on error (#6)

Signed-off-by: yafanasiev <[email protected]>

Author: Yevhenii Afanasiev

dist/index.js

@@ -205,7 +205,7 @@ async function pollForPackageCompletion(
     core.info(`Checking package status [${statusChecks}]: ${status}`)
 
     if (status === 'failure') {
-      core.error('Package build failed')
+      core.setFailed('Package build failed')
       core.error(response.data.data.attributes.notes)
       finalized = true
       break
@@ -249,7 +249,7 @@ async function publishPackage(
   if (status === 200) {
     core.info('Package was successfully published.')
   } else {
-    core.error(
+    core.setFailed(
       'Publishing failed. Please go to app page and publish it manually.'
     )
   }