Update for Node 18

Some of our dependencies require Node 18 now.

.github/workflows/autodeploy.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Install node
       uses: actions/setup-node@v3
       with:
-        node-version: 16
+        node-version: 18
     - name: Install node dependencies
       run: npm install
     - name: Run build

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
     branches: [main]
 
 env:
-  node-version: 16.x
+  node-version: 18.x
 
 jobs:
   black:

README.md

@@ -5,9 +5,8 @@
 Install:
 
 - Python 3, at least Python 3.6.
-- Node.js 16, at least Node 16.16.
-  - Careful, the latest version is 21!
-  - One way manage Node versions is using [nvm](https://github.com/nvm-sh/nvm).
+- Node.js, at least Node.js 18.
+  - One way to manage Node versions is using [nvm](https://github.com/nvm-sh/nvm).
 - [Black](https://black.readthedocs.io/en/stable/index.html), if you plan on contributing changes to the Python backend.
 
 In the root directory, run:

package.json

@@ -58,7 +58,7 @@
     ]
   },
   "engines": {
-    "node": ">=16.16.0"
+    "node": ">=18.0"
   },
   "devDependencies": {
     "@chakra-ui/cli": "^3.2.1",