Bump Rancher Desktop version 1.13.0 -> 1.13.1

Getting ready for patch release:
- Windows: Support WSL with kernels 5.10.x

Signed-off-by: Mark Yen <mark.yen@suse.com>

package.json

@@ -2,7 +2,7 @@
   "name": "rancher-desktop",
   "productName": "Rancher Desktop",
   "license": "Apache-2.0",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "author": {
     "name": "SUSE",
     "email": "containers@suse.com"