CI: Bump node versions

Author: cameel

.circleci/config.yml

@@ -207,7 +207,7 @@ jobs:
     # Runs out of memory on 'medium'.
     resource_class: medium+
     docker:
-      - image: cimg/node:16.15
+      - image: cimg/node:current
     steps:
       - show-npm-version
       - provision-and-package-solcjs
@@ -234,7 +234,7 @@ jobs:
 
   hardhat-core-latest-solc:
     docker:
-      - image: cimg/node:16.15
+      - image: cimg/node:current
     steps:
       - show-npm-version
       - provision-and-package-solcjs
@@ -251,7 +251,7 @@ jobs:
 
   hardhat-sample-project:
     docker:
-      - image: cimg/node:16.15
+      - image: cimg/node:current
     steps:
       - show-npm-version
       - provision-and-package-solcjs
@@ -304,7 +304,7 @@ jobs:
 
   truffle-sample-project:
     docker:
-      - image: cimg/node:20.5
+      - image: cimg/node:lts
     steps:
       - update-npm
       - show-npm-version
@@ -385,19 +385,19 @@ jobs:
   node-v14:
     <<: *node-base
     docker:
-      - image: cimg/node:14.19
+      - image: cimg/node:14.21
   node-v16:
     <<: *node-base
     docker:
-      - image: cimg/node:16.15
+      - image: cimg/node:16.20
   node-v18:
     <<: *node-base
     docker:
-      - image: cimg/node:18.3
+      - image: cimg/node:18.18
   node-v20:
     <<: *node-base
     docker:
-      - image: cimg/node:20.5
+      - image: cimg/node:20.9
   node-current:
     <<: *node-base
     docker: