Let git ls-remote reach Gitea from the sandbox

Run git ls-remote unsandboxed so SSH works, and ask before each use like
the other network git commands.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.claude/settings.json

@@ -22,7 +22,8 @@
     "ask": [
       "Bash(git push:*)",
       "Bash(git fetch:*)",
-      "Bash(git pull:*)"
+      "Bash(git pull:*)",
+      "Bash(git ls-remote:*)"
     ]
   },
   "sandbox": {
@@ -60,7 +61,8 @@
       "git push:*",
       "git fetch:*",
       "git pull:*",
-      "git commit:*"
+      "git commit:*",
+      "git ls-remote:*"
     ]
   },
   "hooks": {