Merge branch '1.12.x' into 1.13.x

Author: shakuzen

.circleci/config.yml

@@ -110,6 +110,8 @@ workflows:
       - concurrency-tests
       - docker-tests
       - deploy:
+          context:
+            - deploy
           requires:
             - build
             - build-jdk11
@@ -154,6 +156,8 @@ workflows:
             tags:
               only: /^v\d+\.\d+\.\d+(-(RC|M)\d+)?$/
       - deploy:
+          context:
+            - deploy
           requires:
             - build
             - build-jdk11