Fix CI

.circleci/config.yml

@@ -72,7 +72,7 @@ workflows:
   version: 2.1
   build-and-deploy:
     jobs:
-      - build
+      - build:
           filters:  # required since `deploy` has tag filters AND requires `build`
             tags:
               only: /.*/
@@ -81,6 +81,6 @@ workflows:
             - build
           filters:
             tags:
-              only: /v[0-9]{1,3}\.[0-9]{1,3}\.?[0-9]{0,3}/
+              only: /^v[0-9]{1,3}\.[0-9]{1,3}\.?[0-9]{0,3}$/
             branches:
               ignore: /.*/