Merge pull request #8 from dash14/chore/misc-improvements

Misc cleanup: remove redundant test trigger and document non-TCP blocking

Author: dash14

.github/workflows/test.yml

@@ -4,10 +4,6 @@ run-name: Test (${{ github.ref_name }})
 on:
   workflow_dispatch:
 
-  push:
-    branches:
-      - main
-
   pull_request:
     branches:
       - main

README.md

@@ -35,6 +35,7 @@ buildcage runs as a [remote driver](https://docs.docker.com/build/builders/drive
 - HTTPS: SNI (Server Name Indication) for domain matching — TLS is not terminated
 - HTTP: Host header for domain matching
 - Direct IP access: blocked unless explicitly allowed
+- Non-TCP protocols (UDP, ICMP, etc.): all blocked — only TCP connections are supported
 
 **Two modes available** (see [Reference](#reference) for details):