Use the medium+ resource class for all tasks on CircleCI

.circleci/config.yml

@@ -44,7 +44,8 @@ defaults: &defaults
     AWS_REGION_ARTIFACTS: eu-central-1
   working_directory: /tmp/material-ui
   docker:
-    - image: cimg/node:16.20
+    - image: cimg/node:18.16
+  resource_class: 'medium+'
 
 # CircleCI has disabled the cache across forks for security reasons.
 # Following their official statement, it was a quick solution, they
@@ -247,7 +248,7 @@ jobs:
             git diff --exit-code
   test_types:
     <<: *defaults
-    resource_class: 'medium+'
+
     steps:
       - checkout
       - install_js
@@ -297,7 +298,6 @@ jobs:
             - packages/mui-utils/build
   test_types_next:
     <<: *defaults
-    resource_class: 'medium+'
     steps:
       - checkout
       - run:
@@ -346,7 +346,6 @@ jobs:
             exit 0
   test_browser:
     <<: *defaults
-    resource_class: 'medium+'
     docker:
       - image: mcr.microsoft.com/playwright:v1.33.0-focal
         environment:

.codesandbox/ci.json

@@ -1,7 +1,7 @@
 {
   "buildCommand": "build:codesandbox",
   "installCommand": "install:codesandbox",
-  "node": "16",
+  "node": "18",
   "packages": [
     "packages/mui-material",
     "packages/mui-codemod",

netlify.toml

@@ -8,7 +8,7 @@
   command = "yarn docs:build && yarn docs:export"
 
 [build.environment]
-  NODE_VERSION = "16"
+  NODE_VERSION = "18"
   # Not using `playwright` when building docs.
   PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = "1"