change node version in ci

Author: AMontagu

.circleci/config.yml

@@ -2,15 +2,15 @@ version: 2.1
 jobs:
   test:
     docker:
-      - image: cimg/node:18.15
+      - image: cimg/node:20.11.1
     steps:
       - checkout
       - run: npm install
       - run: npm run test:unit
 
   release:
     docker:
-      - image: cimg/node:18.15
+      - image: cimg/node:20.11.1
     steps:
       - checkout
       - run: npm install