Upgrade OpenJDK used by CircleCI to version 11.0.12 (#2928)

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

.circleci/config.yml

@@ -6,7 +6,7 @@ orbs:
 executors:
   besu_executor_med: # 2cpu, 4G ram
     docker:
-      - image: circleci/openjdk:11.0.8-jdk-buster
+      - image: circleci/openjdk:11.0.12-jdk-buster
     resource_class: medium
     working_directory: ~/project
     environment:
@@ -14,7 +14,7 @@ executors:
 
   besu_executor_xl: # 8cpu, 16G ram
     docker:
-      - image: circleci/openjdk:11.0.8-jdk-buster
+      - image: circleci/openjdk:11.0.12-jdk-buster
     resource_class: xlarge
     working_directory: ~/project
     environment:

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## 21.10.0-RC4
 
 ### Additions and Improvements
+- Upgrade CircleCI OpenJDK docker image to version 11.0.12. [#2928](https://github.com/hyperledger/besu/pull/2928)
 
 ### Bug Fixes
 - Do not change the sender balance, but set gas fee to zero, when simulating a transaction without enforcing balance checks. [#2454](https://github.com/hyperledger/besu/pull/2454)