Bump actions/setup-node from 5 to 6 in the github-actions group (SchemaStore#5089)

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

Author: dependabot[bot]

.github/workflows/auto-update.yml

@@ -27,7 +27,7 @@ jobs:
       pull-requests: 'write'
     steps:
       - uses: 'actions/checkout@v5'
-      - uses: 'actions/setup-node@v5'
+      - uses: 'actions/setup-node@v6'
         with:
           node-version: '18'
           cache: 'npm'

.github/workflows/github-pages.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ github.repository_owner == 'SchemaStore' }}
     steps:
       - uses: 'actions/checkout@v5'
-      - uses: 'actions/setup-node@v5'
+      - uses: 'actions/setup-node@v6'
         with:
           node-version: '22'
           cache: 'npm'

.github/workflows/validate.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: '18'
           cache: 'npm'