ci: upgrade GitHub Actions to support Node.js 24

Node.js 20 EOL, upgrade all Node-dependent GitHub Actions to support Node.js 24.

### Changes:

**Node.js version upgrade:**
| Workflow | From | To |
|----------|------|-----|
| docs-deploy.yml | Node 20 | Node 24 |
| release.yml | Node 20 | Node 24 |

**Node-dependent Action version upgrades:**
| Action | From | To |
|--------|------|-----|
| actions/setup-node | v4 | v6 |
| actions/checkout | v4 | v6 |
| actions/setup-go | v5 | v6 |
| docker/setup-qemu-action | v3 | v4 |
| docker/setup-buildx-action | v3 | v4 |
| docker/login-action | v3 | v4 |
| docker/metadata-action | v5 | v6 |
| docker/build-push-action | v6 | v7 |
| actions/upload-artifact | v4 | v7 |
| actions/download-artifact | v4 | v8 |
| actions/upload-pages-artifact | v3 | v5 |
| actions/deploy-pages | v4 | v5 |
| actions/configure-pages | v4 | v6 |

**Modified Workflow files:**
- .github/workflows/build-base.yml
- .github/workflows/deploy.yml
- .github/workflows/docker-amd64.yml
- .github/workflows/docker-arm64.yml
- .github/workflows/docs-deploy.yml
- .github/workflows/release.yml

.github/workflows/docs-deploy.yml

@@ -20,19 +20,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 24
           cache: 'npm'
           cache-dependency-path: docs/package-lock.json
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.24'
           cache: true
@@ -41,7 +41,7 @@ jobs:
         run: make swag
 
       - name: Setup Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v6
 
       - name: Install dependencies
         run: npm ci
@@ -52,7 +52,7 @@ jobs:
         working-directory: docs
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: docs/.vitepress/dist
 
@@ -66,4 +66,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5