Use node 18 (MetaMask#20308)

* use node v18

.circleci/config.yml

@@ -3,16 +3,16 @@ version: 2.1
 executors:
   node-browsers:
     docker:
-      - image: cimg/node:16.20-browsers
+      - image: cimg/node:18.17-browsers
   node-browsers-medium-plus:
     docker:
-      - image: cimg/node:16.20-browsers
+      - image: cimg/node:18.17-browsers
     resource_class: medium+
     environment:
       NODE_OPTIONS: --max_old_space_size=2048
   node-browsers-large:
     docker:
-      - image: cimg/node:16.20-browsers
+      - image: cimg/node:18.17-browsers
     resource_class: large
     environment:
       NODE_OPTIONS: --max_old_space_size=2048

.nvmrc

@@ -1 +1 @@
-v16
+v18

README.md

@@ -14,11 +14,11 @@ To learn how to contribute to the MetaMask project itself, visit our [Internal D
 
 ## Building locally
 
-- Install [Node.js](https://nodejs.org) version 16
+- Install [Node.js](https://nodejs.org) version 18
   - If you are using [nvm](https://github.com/nvm-sh/nvm#installing-and-updating) (recommended) running `nvm use` will automatically choose the right node version for you.
 - Install [Yarn v3](https://yarnpkg.com/getting-started/install)
-    - ONLY follow the steps in the "Install Corepack" and "Updating the global Yarn version" sections
-    - DO NOT take any of the steps in the "Initializing your project", "Updating to the latest versions" or "Installing the latest build fresh from master" sections. These steps could result in your repo being reset or installing the wrong yarn version, which can break your build.
+  - ONLY follow the steps in the "Install Corepack" and "Updating the global Yarn version" sections
+  - DO NOT take any of the steps in the "Initializing your project", "Updating to the latest versions" or "Installing the latest build fresh from master" sections. These steps could result in your repo being reset or installing the wrong yarn version, which can break your build.
 - Duplicate `.metamaskrc.dist` within the root and rename it to `.metamaskrc`
   - Replace the `INFURA_PROJECT_ID` value with your own personal [Infura Project ID](https://infura.io/docs).
   - If debugging MetaMetrics, you'll need to add a value for `SEGMENT_WRITE_KEY` [Segment write key](https://segment.com/docs/connections/find-writekey/), see [Developing on MetaMask - Segment](./development/README.md#segment).

package.json

@@ -559,7 +559,7 @@
     "yargs": "^17.0.1"
   },
   "engines": {
-    "node": "^16.20.0",
+    "node": ">= 18",
     "yarn": "^3.2.4"
   },
   "lavamoat": {