Update dependabot.yaml config for extension

Author: data-douser

.github/dependabot.yaml

@@ -31,3 +31,8 @@ updates:
     ignore:
       - dependency-name: 'zod'
     versioning-strategy: 'increase'
+  - package-ecosystem: 'npm'
+    directory: '/extensions/vscode/'
+    schedule:
+      interval: 'weekly'
+    versioning-strategy: 'increase'

.github/workflows/release.yml

@@ -188,7 +188,7 @@ jobs:
           path: dist-packs
 
       - name: Release - Download VSIX artifact
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: codeql-development-mcp-server-vsix-${{ needs.resolve-version.outputs.version }}
           path: dist-vsix