Fixed circleci regex

Author: lukas-reineke

.circleci/config.yml

@@ -72,7 +72,7 @@ workflows:
                       - test
                   filters:
                       tags:
-                          only: /^v[0-9]+(\.[0-9]+)*(-rc[0-9]*)*/
+                          only: /^v[0-9]+(\.[0-9]+)*(-rc\.[0-9]*)*/
                       branches:
                           ignore: /.*/
             - publish-hot: