build: use Node 20, test on 18 and 20

jrolfs · jrolfs · commit 7f24ed943d1f · 2023-11-16T16:43:46.000-08:00
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
     if: ${{ needs.deduplicate.outputs.should_skip != 'true' }}
     strategy:
       matrix:
-        node: ['14', '16', '18']
+        node: ['18', '20']
 
     steps:
       - name: Get Yarn cache path
diff --git a/.node-version b/.node-version
@@ -1 +1 @@
-18.18.2
+20.9.0
