fix typo

Author: Chris Yang

.cirrus.yml

@@ -27,7 +27,7 @@ task:
     - name: publishable
       script:
         - flutter channel master
-        - if [[ "$BRANCH_NAME" -eq "check_version" ]]; .cirrus.ymlthen
+        - if [[ "$BRANCH_NAME" -eq "check_version" ]]; then
         -   echo "Running version-check on all packages"
         -   $PLUGIN_TOOLS version-check
         - else