build: bump support to nodejs 20.x

Author: iOvergaard

.github/workflows/chromatic.yml

@@ -48,10 +48,10 @@ jobs:
         with:
           # pulls all commits (needed for chromatic to find baselines)
           fetch-depth: '0'
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 20
           cache: 'npm'
       - name: Install dependencies
         run: npm ci

.github/workflows/publish.yml

@@ -32,10 +32,10 @@ jobs:
           # pulls all commits (needed for lerna / semantic release to correctly version)
           fetch-depth: '0'
 
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 20
           cache: 'npm'
 
       - run: npm -v

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20]
 
     steps:
       - uses: actions/checkout@v4
@@ -39,7 +39,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20]
 
     steps:
       - uses: actions/checkout@v4

.nvmrc

@@ -1 +1 @@
-18.16
+20.9

package-lock.json

@@ -52,8 +52,8 @@
     "postinstall": "npm run bootstrap"
   },
   "engines": {
-    "node": ">=18.16.0 <19",
-    "npm": ">=9.5.0 < 10"
+    "node": ">=20.9 <21",
+    "npm": ">=10.1 < 11"
   },
   "dependencies": {
     "lit": "^2.7.6"