Bump Tailscale version to 1.4.0

Author: spiros132

tailscale/manifest.json

@@ -1,7 +1,7 @@
 {
   "id": "tailscale",
   "name": "Tailscale",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "minNoctaliaVersion": "4.0.0",
   "author": "nineluj",
   "license": "MIT",