⬆️ Update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/audit-and-lint.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "16.x"
 

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "16.x"
 

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "16.x"