Update to Node 20

Author: thibaudcolas

.github/workflows/ci.yml

@@ -15,12 +15,7 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version-file: '.nvmrc'
-      - uses: actions/cache@v3
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-node-
+          cache: 'npm'
       - run: npm ci
       - run: npm run lint
       - run: npm run test

.nvmrc

@@ -1 +1 @@
-18
+20