upgrade actions

Author: timbl

.github/workflows/ci.yml

@@ -18,9 +18,9 @@ jobs:
           - 16.x
           - 18.x
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm ci
@@ -29,7 +29,7 @@ jobs:
       - run: npm run build
       - name: Save build
         if: matrix.node-version == '18.x'
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: build
           path: |
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main'
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: build
       - run: rm .gitignore
@@ -55,10 +55,10 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: build
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v4
         with:
           node-version: 18.x
       - uses: rlespinasse/github-slug-action@v3.x