Drop 20, add 26 to tests

Author: yorickdowne

.github/workflows/test-deploy.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20, 22, 24]
+        node-version: [22, 24, 26]
     steps:
       - uses: actions/checkout@v6
         with:

README.md

@@ -7,8 +7,7 @@ Below are steps for initialising and reproducing this portal for development.
 ## Dependencies
 
 1.  The latest LTS version of [Node](https://nodejs.org/en/download/) installed. 
-    > You have to be on Node >= 20.x. This is the default version on Ubuntu 24.04 "Noble Numbat" or later,
-    and Debian 13 "Trixie" or later.
+    > You have to be on Node >= 22.x.
 
 ## Installation
 

website/package-lock.json

@@ -35,6 +35,6 @@
     ]
   },
   "engines": {
-    "node": ">=20.0"
+    "node": ">=22.0"
   }
 }