Bump actions/setup-node from 5 to 6 (actions#4078)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/dependency-check.yml

@@ -31,7 +31,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "20"
 

.github/workflows/npm-audit-typescript.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "20"
       - name: NPM install and audit fix with TypeScript auto-repair

.github/workflows/npm-audit.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "20"