Increase minimum Node.js version to 16; recommended to 18 (MetaMask#152)

ci: run on node v20 instead of v19

.github/workflows/build-lint-test.yml

@@ -24,7 +24,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -49,7 +49,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -80,7 +80,7 @@ jobs:
       - prepare
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x]
+        node-version: [16.x, 18.x, 20.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}

.nvmrc

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

README.md

@@ -81,7 +81,7 @@ removes the specified account from the list of accounts.
 
 ### Setup
 
-- Install [Node.js](https://nodejs.org) version 14 or greater
+- Install [Node.js](https://nodejs.org) version 16 or greater
   - If you are using [nvm](https://github.com/creationix/nvm#installation) (recommended) running `nvm use` will automatically choose the right node version for you.
 - Install [Yarn v3](https://yarnpkg.com/getting-started/install)
 - Run `yarn install` to install dependencies and run any required post-install scripts

package.json

@@ -72,7 +72,7 @@
   },
   "packageManager": "[email protected]",
   "engines": {
-    "node": ">=14.0.0"
+    "node": "^16.20 || ^18.16 || >=20"
   },
   "publishConfig": {
     "access": "public",