bootstrap.sh: LAN probe uses GET not HEAD (issuance only handles GET)

bootstrap.sh

@@ -150,7 +150,7 @@ if command -v netbird >/dev/null && netbird status 2>/dev/null | grep -q "Manage
     MESH_CONNECTED="netbird"
 elif command -v tailscale >/dev/null && tailscale status >/dev/null 2>&1; then
     MESH_CONNECTED="tailscale"
-elif curl -sfI -o /dev/null --max-time 3 "${ISSUANCE_URL_NETBIRD%/issue}/health" 2>/dev/null; then
+elif curl -sf -o /dev/null --max-time 3 "${ISSUANCE_URL_NETBIRD%/issue}/health" 2>/dev/null; then
     MESH_CONNECTED="lan"
 fi
 if [ -z "$MESH_CONNECTED" ] && [ "$NO_SECRETS" -eq 0 ]; then