Fix CI

Author: sindresorhus

.github/workflows/main.yml

@@ -10,16 +10,16 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 20
+          - 18
           - 16
-          - 14
-          - 12
         os:
           - ubuntu-latest
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install