chore: bump version to 0.1.0 and fix release workflow race condition

Fetch latest main before pushing metadata update to prevent
non-fast-forward rejections when main moves during the release run.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "headlamp-polaris-plugin",
-  "version": "0.0.11",
+  "version": "0.1.0",
   "description": "Headlamp plugin for Fairwinds Polaris audit results",
   "scripts": {
     "start": "headlamp-plugin start",