Bump min Node to 16, and use LTS Node for dev (#332)

**This change is breaking.**

We could bump this monorepo to Node 18, but since these packages are
heavily depended upon, we don't need to do that yet until we've
confirmed all other projects are using 18.

Using the LTS version of Node puts us on a more modern version for
development (and also happens to fix the `.nvmrc` file so `asdf` can
read it).

Also fix the CI matrix so it matches the versions we actually support.

---------

Co-authored-by: legobt <[email protected]>

.github/workflows/lint-test.yml

@@ -26,7 +26,7 @@ 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 }}
@@ -57,7 +57,7 @@ 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 @@
-v14
+lts/*

README.md

@@ -8,8 +8,8 @@ correctly specify their peer dependencies.
 
 ### Setup
 
-- Install [Node.js](https://nodejs.org) version 14
-  - 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 the current LTS version of [Node.js](https://nodejs.org)
+  - If you are using [nvm](https://github.com/creationix/nvm#installation) (recommended) running `nvm install` will install the latest version and 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

@@ -43,7 +43,7 @@
   },
   "packageManager": "[email protected]",
   "engines": {
-    "node": ">=14.0.0"
+    "node": "^16.20 || ^18.18 || >=20"
   },
   "lavamoat": {
     "allowScripts": {