Fix tag calculation

.github/workflows/tag_release.yml

@@ -119,9 +119,9 @@ jobs:
       run: |
         # We want to always use the long tag (x.y.z-N) in Asana communication
         if [[ ${prerelase} == "true" ]]; then
-          echo "TAG=$PROMOTED_TAG" >> $GITHUB_ENV
-        else
           echo "TAG=$TAG" >> $GITHUB_ENV
+        else
+          echo "TAG=$PROMOTED_TAG" >> $GITHUB_ENV
         fi
         echo "WORKFLOW_URL=https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}" >> $GITHUB_ENV
         echo "DMG_URL=${{ vars.TEST_DMG_URL_ROOT }}duckduckgo-${TAG//-/.}.dmg" >> $GITHUB_ENV