Upgrade main workflow dependencies.

Author: BigBlueHat

.github/workflows/main.yml

@@ -8,11 +8,11 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install --legacy-peer-deps
@@ -24,11 +24,11 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install --legacy-peer-deps