Update GitHub Actions (#543)

Co-authored-by: Sindre Sorhus <[email protected]>

Author: Fdawgs

.github/workflows/main.yml

@@ -10,12 +10,13 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 18
           - 16
           - 14
           - 12
     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