bump version to v2.3.0 (#859)

also some improvements:

1. add magic dns option in gui.
2. allow icmp proxy fail on android
3. when no_tun is enabled, android do not start vpn service

Co-authored-by: Your Name <you@example.com>

.github/workflows/docker.yml

@@ -11,7 +11,7 @@ on:
       image_tag:
         description: 'Tag for this image build'
         type: string
-        default: 'v2.2.4'
+        default: 'v2.3.0'
         required: true
       mark_latest:
         description: 'Mark this image as latest'

.github/workflows/release.yml

@@ -21,7 +21,7 @@ on:
       version:
         description: 'Version for this release'
         type: string
-        default: 'v2.2.4'
+        default: 'v2.3.0'
         required: true
       make_latest:
         description: 'Mark this release as latest'