Update cimg/openjdk Docker tag to v11.0.25

Author: renovate[bot]

.circleci/config.yml

@@ -6,15 +6,15 @@ orbs:
 executors:
   besu_executor_small:
     docker:
-      - image: cimg/openjdk:11.0
+      - image: cimg/openjdk:11.0.25
     resource_class: small
     working_directory: ~/project
     environment:
       GRADLE_OPTS: -Dorg.gradle.daemon=false -Dorg.gradle.parallel=true -Dorg.gradle.workers.max=2
 
   besu_executor_med: # 2cpu, 4G ram
     docker:
-      - image: cimg/openjdk:11.0
+      - image: cimg/openjdk:11.0.25
     resource_class: medium
     working_directory: ~/project
     environment:
@@ -32,15 +32,15 @@ executors:
 
   besu_executor_xl: # 8cpu, 16G ram
     docker:
-      - image: cimg/openjdk:11.0
+      - image: cimg/openjdk:11.0.25
     resource_class: xlarge
     working_directory: ~/project
     environment:
       GRADLE_OPTS: -Dorg.gradle.daemon=false -Dorg.gradle.parallel=true -Dorg.gradle.workers.max=4
 
   quorum_ats_executor:
     docker:
-      - image: cimg/openjdk:11.0
+      - image: cimg/openjdk:11.0.25
     resource_class: xlarge
     working_directory: ~/project
     environment: