Update autorun-npm-audit-fix workflow: checkout@v6, setup-node@v6, node lts/* (#185)

Author: ElizabethSamuel-MSFT

.github/workflows/autorun-npm-audit-fix.yml

@@ -15,11 +15,11 @@ jobs:
         working-directory: ./
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
-          node-version: '18'
+          node-version: 'lts/*'
       - name: Get whether autorun-npm-audit-fix branch exists
         run: |
           echo "Getting whether autorun-npm-audit-fix branch exists"