Droped support for Node 12

.circleci/config.yml

@@ -16,14 +16,6 @@ executors:
     docker:
       - image: cimg/node:14.17.4 # Latest 14.x
     working_directory: ~/workspace
-  node12_latest:
-    docker:
-    - image: cimg/node:12.22.10 # Latest 12.x
-    working_directory: ~/workspace
-  node12_17:
-    docker:
-      - image: cimg/node:12.17.0 # Oldest version supported by Jasmine
-    working_directory: ~/workspace
 
 jobs:
   build:
@@ -103,12 +95,6 @@ workflows:
       - build:
           executor: node14
           name: build_node_14
-      - build:
-          executor: node12_latest
-          name: build_node_12_latest
-      - build:
-          executor: node12_17
-          name: build_node_12_17
       - test_node:
           executor: node18
           name: test_node_18
@@ -124,16 +110,6 @@ workflows:
           name: test_node_14
           requires:
              - build_node_14
-      - test_node:
-          executor: node12_latest
-          name: test_node_12_latest
-          requires:
-             - build_node_12_latest
-      - test_node:
-          executor: node12_17
-          name: test_node_12_17
-          requires:
-             - build_node_12_17
       - test_browsers:
           requires:
              - build_node_14