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-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "headlamp-polaris-plugin",
-  "version": "0.0.9",
+  "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "headlamp-polaris-plugin",
-      "version": "0.0.9",
+      "version": "0.1.0",
       "devDependencies": {
         "@kinvolk/headlamp-plugin": "^0.13.0"
       }